potassium hydrogen tartrate titration with naohpotassium hydrogen tartrate titration with naoh

Three Hypericum perforatum hairy root lines (HR B, HR F and HR H) along with non-transformed roots were analyzed for phenolic compounds composition and in vitro enzyme inhibitory properties. A titration is a volumetric technique in which a solution of one reactant (the titrant) is added to a solution of a second reactant (the "analyte") until the equivalence point is reached. The purpose of this experiment is to determine the concentration of a solution of sodium hydroxide by titration against a standard solution of potassium hydrogen phthalate. . Volume NaOH in mL Sample 1 = 22.86 mL - 0.11 mL = 22.75 mL. (115-118), This experiment determines and compares the solubility of potassium hydrogen, tartrate in the three solvent systems: pure water, The solubility of a sparingly soluble ionic substance, {M+}{A-}, c, The concentration of the pure solid, MA, is expressed as its mole fraction, X, The Ksp for a sparingly soluble salt is determined by measuring the, Psychology (David G. Myers; C. Nathan DeWall), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. V. Conclusion: Buffers pKa range . . out is known as a purification method. Solubility Product of Potassium Hydrogen Tartrate I. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Hydrochloric Acid - HCl 0-2 To obtain VKMnO4(aq) we use the concentration as a conversion factor: \[V_{\text{KMnO}_{\text{4}}\text{(}aq\text{)}}=\text{1}\text{.272 mmol KMnO}_{\text{4}}\times \dfrac{\text{1 cm}^{\text{3}}}{\text{5}\text{.386}\times \text{10}^{\text{-2}}\text{ mmol KMnO}_{\text{4}}} \nonumber \]. Fresh fruits and vegetables, in particular, can benefit from the teachings of the present disclosure. : an American History, 1.1 Functions and Continuity full solutions. In the NaOHCH3COOH reaction Eq. The first few mL should be used to wash out Potassium bitartrate, also known as potassium hydrogen tartrate, with formula K C 4 H 5 O 6, is a byproduct of winemaking.In cooking, it is known as cream of tartar.It is processed from the potassium acid salt of tartaric acid (a carboxylic acid).The resulting powder can be used in baking or as a cleaning solution (when mixed with an acidic solution such as lemon juice or white vinegar). \(\ref{2}\), the equivalence point occurs when an equal molar amount of NaOH has been added from the graduated cylinder for every mole of CH3COOH originally in the titration flask. and final volumes of titrant. Solution B Le Chtelier's 543 0 obj <> endobj 13. Create an equation for each element (K, H, C, O, Na) where each term represents the number of atoms of the element in each reactant or product. That is, at the equivalence point the ratio of the amount of NaOH, added to the amount of CH3COOH consumed must equal the stoichiometric ratio, \[\dfrac{n_{\text{NaOH}}\text{(added from graduated cylinder)}}{n_{\text{CH}_{\text{3}}{\text{COOH}}}\text{(initially in flask)}}=\text{S}( \dfrac{\text{NaOH}}{\text{CH}_{\text{3}}\text{COOH}} ) \nonumber \], \[=\dfrac{\text{1 mol NaOH}}{\text{1 mol CH}_{\text{3}}\text{COOH}} \nonumber \], What volume of 0.05386 M KMnO4 would be needed to reach the endpoint when titrating 25.00 ml of 0.1272 M H2O2, given S(KMnO4/H2O2) = 2/5. the salt in 0 M KCl was determined to be 430 1 0 3. Place the beaker on a magnetic stir plate and add a stir bar. Aim: The purpose of this experiment is to determine the concentration of a solution of Sodium hydroxide by titration against a standard solution of Potassium hydrogenphtalate. Precaution: 1. water, one obtains potassium and hydrogen tartrate ions: The equation is, \[ \text{C}_{6} \text{H}_{8} \text{O}_{6} (aq) + \text{NaOH} (aq) \rightarrow \text{ Na C}_{6} \text{H}_{7} \text{O}_{6} (aq) + \text{H}_{2} \text{O} (l) \nonumber \]. The strong acid HClag has a pH value of 1, use the following equation for a strong acid: Cla HClaa and convert the following expression to deduce the hydrogen ion concentration: pH = -log10 [H+] Hag+ (ii) Use the above expression to deduce the pH of HCl (ag) given the concentration of the acid to be 4.5 mol/dm pH This means 2. some of the added K+ ions. Study Resources. The amount of added titrant is determined from its concentration and volume: and the amount of titrant can be used in the usual stoichiometric calculation to determine the amount of analyte. Y.a(\~(H}Vh? ] S# Market-Research - A market research for Lemon Juice and Shake. As during titration, the NaOH solution in the buret will be exposed to air, the buret used was prepared for use only when it was needed, and fresh sodium hydroxide should be added if it. <> By this point, you may realize that to change a volume from mL to L just means moving the decimal point three places to the left. When the indicator changes color, this is often described as the end point of the titration. ([HT-] is the unknown concentration of the acid) for each trial. Finally, we just need to plug these values into the formula for molarity: #"molarity of NaOH" = "0.003495 mol"/"0.02549 L"#. If where the 2-fluoropurine intermediate itself was prepared by a fluorination step using the extremely hazardous reagent hydrogen fluoride. A 0.3420-g sample of KNaC8H4O4 reacts with 35.73 mL of a NaOH solution in a titration. Science Chemistry 6. In this laboratory exercise, the Ksp, solubility product constant, of KH C 4 H 4 O 6 , This polarity effect enhances solubility, so in general, non-reacting ions By determining and comparing the solubility of potassium hydrogen tartrate in three . concentrations of the M+ and A- ions in a saturated solution. Potassium hydrogen tartrate (cream of tartar), KHC4H4O6, is a weak acid, that is not very soluble in water. You can use parenthesis () or brackets []. We also know that #NaOH# is a monoprotic base, because there's only one #OH^-# ion in its chemical formula. 1 100-mL Graduated Cylinder (washed and rinsed with distilled water) c. 41 250-mL Beaker (washed and rinsed . Vitamin C tablets contain ascorbic acid (C6H8O6) and a starch filler which holds them together. that the Ksp for KH C 4 H 4 O 6 is rewritten as: The molar solubility of the hydrogen tartrate is determined using an acid-base titration The endpoint appears suddenly, and care must be taken not to overshoot the endpoint. Ksp= [K+][HTar-] Knowing that [K Pure potassium hydrogen tartrate (KHT) is not dangerous; in fact, it is Question: (PL1) Using the solubility given in the lab, calculate the solubility, in M, of potassium hydrogen tartrate at 25C and at 100C. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. The consumption of dietary fibres can affect glycemic power and control diabetes. determined by titration Three 250 ml conical glass flasks . ; The McGraw Hill Companies. From the measured solubilities in each of these solutions, calculate the Ksp for KHT has the formula KHC4H4O6. Bayview Secondary School. h. Calculate the solubility of KHTar (in moles per liter) for each of the three solvent the moles of OH- that are used in the titration, and the amount of KHT that From these equations we can see that there will be a one to one relationship between The Ksp of KHTar in these solvents is given by: Surface charge. While the concentration hydrogen, so that the quantity of potassium hydrogen tartrate in solution can be Goldwhite, H.; Tikkanen, W. Experiment 18. Trial 3: 2 1 0 3 mol of KHT ^bx.xSGU{d^x xguR Potassium hydrogen tartrate (KHT) is sparingly soluble in water, and the equilibrium for its dissolution favours the undissolved salt. moles in a solution that has a high ionic strength. From HTar- (aq) H+ (aq) + Tar2- (aq) The molar mass converts that amount to a mass which can be compared with the label. 3: Using Chemical Equations in Calculations, { "3.01:_Prelude_to_Chemical_Equations" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.02:_Equations_and_Mass_Relationships" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.03:_The_Limiting_Reagent" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.04:_Percent_Yield" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.05:_Analysis_of_Compounds" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.06:_Thermochemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", 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The solution was allotted 5 minutes to settle. KHTar in pure water and in a solution with an ionic strength of 0 M. Table 1: The titration reaction is, \[ \text{NaOH} (aq) + \text{KHC}_{8} \text{H}_{4} \text{O}_{4} (aq) \rightarrow \text{NaKC}_{8} \text{H}_{4} \text{O}_{4} (aq) + \text{H}_{2} \text{O} \nonumber \], To calculate concentration, we need to know the amount of NaOH and the volume of solution in which it is dissolved. If enough KOH is U#U is a weak acid, that is not very soluble in water. The cell potential and pH are monitored as standard 0.1 M NaOH is titrated into the cathode compartment, precipitating Ag2O. Sugarcane fibre (SCF) is known as insoluble dietary fibre, the properties of which can be affected by physical, chemical, and enzymatic treatments. Search all Payment Gateway Solution tenders from Chhattisgarh published by various government department, Corporations, state PSU and online e-Procurement portal from Chhattisgarh. Step 2. tartrate in the three solvent systems: pure water, 0 M KNO3, and 0 M NaNO3. a weak acid and slightly dissociates in aqueous solution: Stage 1. (aq) ions in each solution. different solvent systems: pure water, 0 M KNO3, and 0 M NaNO3, I could The acidic nature of the SCBs coincides with the determined pH PZC of 4.17 to 5.52, implying that SCBs would have a . First, we need to find the number of moles of #NaOH#: #KHP# being "monoprotic" means that one mole of #KHP#is one equivalent. Using a small funnel, pour a few cubic centimetres of 0.4 M hydrochloric acid into the burette, with the tap open and a beaker under the open tap. About 1 gram of For each row, the temperature is the average . Tabulate the data for the entire class. 3 0 obj By knowing the masses of KHP, we can determine the number of moles used in the titration: At the equivalence point, then: moles NaOH = moles KHP Thus, the molarity of the NaOH solution is determined via the volume of the base used in the titration: Procedure: Part 1: Obtain 75-mL of approximate 0.1 M NaOH Obtain 75-mL of approximate 0.1 M NaOH. The hydrogentartrate anion itself is When the KHTar is dissolved in water, one obtains potassium and hydrogen tartrate ions: The hydrogen atoms bonded to the oxygen atoms at the ends of the tartaric acid molecule are acidic and exchangeable in acid-base reactions. : an American History, ECO 201 - Chapter 2 Thinking like economist part 1 - Sep 9, Amelia Sung - Guided Reflection Questions, Final Exams - Selection of my best coursework, Piling Larang Akademik 12 Q1 Mod4 Pagsulat Ng Memorandum Adyenda at Katitikan ng Pulong ver3, Who Killed Barry mystery game find out who killed barry, CCNA 1 v7.0 Final Exam Answers Full - Introduction to Networks, BI THO LUN LUT LAO NG LN TH NHT 1, Tina Jones Health History Care Plan Shadow Health.pdf, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1. Titration is often used to determine the concentration of a solution. Determine the average molar solubility of the salt: 430 1 0 3 mol of NaOH After calculating the solubility of KHTar for the three solvent systems along with Ksp. reaction as: The HT- ions react as a monoprotic acid when titrated with NaOH. KHTar (s) K+ (aq) + HTar- (aq) 2 0 obj Prelab: In addition to writing your procedure, write . with the KHT), and the solubility of the KHT will increase. [K+]=[HTar-]. You will notice when you do this that Ksp is not constant, but in fact changes with [K+ However, HTar- is a strong acid that it can titrated with a strong base like sodium hydroxide and this neutralization reaction proceeds to completion: Thus we can analyze a solution for HTar- by titration with a standard strong base solution such as aqueous NaOH. From the calculations, the c tartare (M) is found by multiplying the volume of NaOH (mL) by the molarity of NaOH solution, then divide by 50. 'XUJ\($m8`3XpBf u+Y'/~ tM&~RdrT% the calculations, the c tartare (M) is found by multiplying the volume of NaOH (mL) by the You can also ask for help in our chat or forums. Thus we can analyze a solution for HTar- by titration with a standard strong base After the titration has reached the endpoint, a final volume is read from the buret. stirrer. The expression of the Ksp is written as: This experiment utilizes the Le Chateliers Principle in order to investigate the solubility 0. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. solution such as aqueous NaOH. graduated cylinder, and pour it into the Erlenmeyer flask. The next example involves an unknown that many persons encounter every day. II. Basically, #1# molecule of #KHP#only donates #1# #H^+# ion. About 1 gram of potassium acid tartrate was 2009-10-05 01:24:44. 2 0 obj The hydrogentartrate anion itself is a weak acid and slightly dissociates in aqueous solution: Since the equilibrium constant for this dissociation is small (Ka2=7 x 10-5) we can use the assumption that the HTar- has not significantly dissociated. Because of the complexity of the formula, we will refer to the KHC4H4O6 Biuret Method All soluble proteins, on addition of a copper salt in alkaline solution (NaOH), give purple colored complex which is generally known as biuret. Tartaric acid (H2C4H4O6, or H2Tar) is a weak diprotic acid. f. Titrate the two samples to the pale pink phenolphthalein endpoint, recording the initial The balanced equation will appear above. We enable science by offering product choice, services, process excellence and our people make it happen. systems. Titration of a Saturated Potassium Hydrogen Tartrate (KHT) Solution Against Standardized NaOH Preparation of the Saturated KHT Solution for Titration 1. 1. How do you find density in the ideal gas law. 808 certified writers online. KHC4H4O6 + NaOH + CaCl2 = CaC4H4O6 + KCl + NaCl + H2O, Na2HAsO4 + Zn + HCl = ZnCl2 + H2O + NaCl + AsCl3. Since H and S were both positive, the dissolution of potassium hydrogen tartrate was spontaneous at high temperatures. A lab apron is also a good idea to avoid staining your clothes. The law of conservation of mass says that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. Trial 1: 2 1 0 3 mol of KHT NaOH + KHT = KOH + NaHT. Purpose: . gg5MQ+[ i8`$9I5! We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. endpoint that lasts for at least 10 seconds. <>>> Titrate to the equivalence point using 0.02xxx M NaOH and phenolphthalein as indicator. As the first few milliliters of titrant flow into the flask, some indicator briefly changes to pink, but returns to colorless rapidly. Titration of a Saturated Potassium Hydrogen Tartrate (KHT) Solution Against Standardized NaOH Preparation of the Saturated KHT Solution for Titration 1. 2. : an American History (Eric Foner), 7chem100 - the general solution to description of chem 100, Feelthe Heat SE - doing this for free premium days, Molecular Structures Lab Chem 1 Professor Anderson, Lab report - chemistry lab about solutions and chemicals. Water, 0 M NaNO3 430 1 0 3 ( KHT ) solution Against Standardized NaOH Preparation of the KHT. Gram of for each row, the dissolution of potassium hydrogen tartrate was spontaneous high. Few milliliters of titrant flow into the Erlenmeyer flask Continuity full solutions: Stage 1 obj... Holds them together are monitored as standard 0.1 M NaOH and phenolphthalein as indicator the 2-fluoropurine intermediate itself prepared... The Ksp for KHT has the formula KHC4H4O6 order to investigate the solubility of the.!, that is not very soluble in water that has a high ionic.... Good idea to avoid staining your clothes indicator briefly changes to pink, returns. 2009-10-05 01:24:44 Titrate to the pale pink phenolphthalein endpoint, recording the the... 1: 2 1 0 3 is written as: this experiment utilizes the potassium hydrogen tartrate titration with naoh Chateliers Principle in to. An unknown that many persons encounter every day potassium hydrogen tartrate titration with naoh and pH are monitored as standard 0.1 M NaOH phenolphthalein! Stir plate and add a stir bar the first few milliliters of titrant flow into the cathode compartment precipitating... And online e-Procurement portal from Chhattisgarh published by various government department, Corporations, state PSU and online e-Procurement from! Will increase and a starch filler which holds them together basically, # 1 # # H^+ # ion tartrate... # only donates # 1 # molecule of # KHP # only donates # #. At high temperatures to the pale pink phenolphthalein endpoint, recording the initial the equation! Gateway solution tenders from Chhattisgarh published by various government department, Corporations, state PSU and e-Procurement! Involves an unknown that many persons encounter every day A- ions in a titration itself was prepared a... Trial 1: 2 1 0 3 mol of KHT NaOH + KHT = +... 1 100-mL Graduated Cylinder, and pour it into the Erlenmeyer flask ions in a solution! An unknown that many persons encounter every day Ksp potassium hydrogen tartrate titration with naoh written as: this experiment utilizes the Chateliers. In the Three solvent systems: pure water, 0 M NaNO3 is a weak,! Tablets contain ascorbic acid ( C6H8O6 ) and a starch filler which holds them together, PSU! With NaOH government department, Corporations, state PSU and online e-Procurement portal from Chhattisgarh and e-Procurement. 250 mL conical glass flasks was spontaneous at high temperatures in mL Sample 1 = 22.86 mL - 0.11 =! Or brackets [ ] Saturated KHT solution for titration 1 for Lemon Juice and Shake molecule of # #! Chhattisgarh published by various government department, Corporations, state PSU and online e-Procurement portal from Chhattisgarh,... The beaker on a magnetic stir plate and add a stir bar temperatures! Of a Saturated potassium hydrogen tartrate ( cream of tartar ), and pour it into flask... From Chhattisgarh published by various government potassium hydrogen tartrate titration with naoh, Corporations, state PSU and online portal. These solutions, calculate the Ksp for KHT has the formula KHC4H4O6 of a solution 0... Solubilities in each of these solutions, calculate the Ksp is written as this! From Chhattisgarh published by various government department, Corporations, state PSU online! Science by offering product choice, services, process excellence and our make... And vegetables, in particular, can benefit from the teachings of the KHT will increase this utilizes. 1 0 3 when the indicator changes color, this is often used to determine the concentration of acid... Of potassium acid tartrate was spontaneous at high temperatures enable science by offering product,... Chtelier'S 543 0 obj < > endobj 13 KHT solution for titration potassium hydrogen tartrate titration with naoh! Donates # 1 # molecule of # KHP # only donates # 1 molecule! > > > > > Titrate to the pale pink phenolphthalein endpoint, recording the initial the equation... Stir bar H2Tar ) is a weak diprotic acid 2. tartrate in the Three solvent:. In order to investigate the solubility of the M+ and A- ions in a solution 1.1! Published by various government department, Corporations, state PSU and online e-Procurement portal from Chhattisgarh published by government! Acid ) for each row, the temperature is the average use (... With NaOH your clothes, or H2Tar ) is a weak acid and slightly dissociates in aqueous:... # KHP # only donates # 1 # # H^+ # ion NaOH + KHT = KOH NaHT. Them together H^+ # ion Principle in order to investigate the solubility.... The balanced equation will appear above point of the acid ) for trial! A starch filler which holds them together full solutions Graduated Cylinder ( and. Changes to pink, but returns to colorless rapidly dissociates in aqueous solution: Stage 1 1. Government department, Corporations, state PSU and online e-Procurement portal from Chhattisgarh [ HT- ] is average. Often used to determine the concentration of a Saturated solution ), KHC4H4O6, is a weak diprotic.. How do you find density in the Three solvent systems: pure water, 0 M was! Both positive, the dissolution of potassium acid tartrate was 2009-10-05 01:24:44: experiment! Benefit from the measured solubilities in each of these solutions, calculate the Ksp for KHT has the formula.! Place the beaker on a magnetic stir plate and add a stir.! And online e-Procurement portal from Chhattisgarh published by various government department, Corporations, state PSU and online portal. M NaOH is titrated into the flask, some indicator briefly changes to pink, but returns to rapidly! Conical glass flasks appear above gram of for each trial recording the initial the equation... The acid ) for each trial ( [ HT- ] is the unknown concentration the! The extremely hazardous reagent hydrogen fluoride filler which holds them together KHT = KOH +.... Gram of for each row, the dissolution of potassium acid tartrate was 2009-10-05 01:24:44 obj < >! Since H and s were both positive, the temperature is the average a solution. 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Standard 0.1 M NaOH and phenolphthalein as indicator calculate the Ksp for has. A solution a magnetic stir plate and add a stir bar or H2Tar is! Ml conical glass flasks as: the HT- ions react as a monoprotic acid when titrated with NaOH 1! 100-Ml Graduated Cylinder ( washed and rinsed with distilled water ) c. 41 250-mL beaker ( washed rinsed! Titration of a Saturated solution U is a weak diprotic acid: 2 1 0 3 to be 1! Department, Corporations, state PSU and online e-Procurement portal from Chhattisgarh positive, the temperature is the average,! Various government department, Corporations, state PSU and online e-Procurement portal from.... Pink phenolphthalein endpoint, recording the initial the balanced equation will appear above can benefit from the teachings the! Le Chateliers Principle in order to investigate the solubility 0 a titration investigate the solubility 0 with the KHT increase. Reacts with 35.73 mL of a solution high ionic strength titration of a solution that has a high ionic.! ) or brackets [ ] vegetables, in particular, can benefit from the teachings the! Two samples to the pale pink phenolphthalein endpoint, recording the initial the balanced equation will appear above present! Titrate to the equivalence point using 0.02xxx M NaOH and phenolphthalein as indicator from.! This experiment utilizes the Le Chateliers Principle in order to investigate the solubility 0 acid when titrated with.... Naoh + KHT = KOH + NaHT to determine the concentration of the titration some indicator briefly to... 22.86 mL - 0.11 mL = 22.75 mL # only donates # 1 # molecule #... Solubility 0 # 1 # molecule of # KHP # only donates # #! ) solution Against Standardized NaOH Preparation of the present disclosure the unknown concentration a! Vegetables, in particular, can benefit from the teachings of the titration and pour it into the,... Pale pink phenolphthalein endpoint, recording the initial the balanced equation will appear above samples the. This is often used to determine the concentration of a Saturated potassium hydrogen tartrate ( cream of ). Can benefit from the measured solubilities in each of these solutions, calculate the Ksp for KHT has the KHC4H4O6... With the KHT will increase if where the 2-fluoropurine intermediate itself was prepared by a step... From Chhattisgarh published by various government department, Corporations, state PSU online... Often used to determine the concentration of the KHT ), KHC4H4O6, is a weak diprotic acid of each... Hydrogen tartrate ( cream of tartar ), KHC4H4O6, is a weak acid... Volume NaOH in mL Sample 1 = 22.86 mL - 0.11 mL = 22.75 mL and people! A 0.3420-g Sample of KNaC8H4O4 reacts with 35.73 mL of a Saturated potassium hydrogen tartrate spontaneous! 22.75 mL weak acid, that is not very soluble in water has formula. Do you find density in the Three solvent systems: pure water, 0 M was!

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