A sample of 0.869 M aqueous potassium hydroxide was titrated against a standard solution of hydrochloric acid. What was the volume of the potassium hydroxide solution if 77.5 mL of 1.50 M hydrochloric acid was needed to reach the equivalence point? Enter a numerical answer only, in terms of mL.

Q: Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of…

A: We calculate normality of acid and base then use this formula N1V1 = N2V2

Q: A chemist student weighs out 0.0579 g of hypochlorous acid (HClO) into a 250. mL volumetric flask…

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Q: 14

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Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

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Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: The values are given as follows:

Q: An aqueous solution of sodium hydroxide is standardized by titration with a 0.142 M solution of…

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Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.158 M solution of…

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Q: A 50.0 mL sample of potassium hydroxide is transferred to an Erlenmeyer flask and then titrated with…

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Q: To a 25.00 mL volumetric flask, a lab technician adds a 0.450 g sample of a weak monoprotic acid,…

A: Answer:- This question is answered by using the simple chemical reaction between acid and base. Then…

Q: 1. A special sample of household vinegar contained 7.3% acidity. Determine the number of moles of…

A:

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A: We have to calculate the Molarity of NaOH solution.

Q: n analytical chemist weighs out 0.105 g of an unknown monoprotic acid into a 250 mL volumetric flask…

A: At equivalence point mole of standard solution is equal to the mole of unknown solution.

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: Initial volume reading of the burette = 2.31 mL Final volume reading of the burette = 22.53 mL…

Q: An analytical chemist weighs out 0.123 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: In order to determine the unknown concentration of a solution of barium hydroxide, a student…

A: The titration reaction taking place can be written as  => HCl + Ba(OH)2 -------> BaCl2 + H2O…

Q: You dissolve a 0.553 g sample of an unknown monoprotic weak acid in water to a total volume of 20.0…

A: At equivalence point models of acid are equal to moles of base . So first we would calculate models…

Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.154 M solution of…

A: Molarity of perchloric acid = 0.154 M Volume of Acid = 18.7 mL Volume of Base = 19.8 mL Now., 1 mole…

Q: Consider the titration of 100.0 mL of an unknown concentration of weak monoprotic acid with 0.550 M…

A: The volume of unknown weak monoprotic acid, V1 = 100.0 mLThe concentration of weak monoprotic acid,…

Q: calculate

A: We will use gm equivalent of both acid and base

Q: Calculate the molar concentration of a sodium hydroxide solution if 28.71 mL of this solution were…

A: Since you have asked multiple questions, we will answer the first question for you. If you want any…

Q: What is the ammonium ion concentration in a solution prepared by mixing 70. mL of 0.40 M ammonia and…

A: Ammonia react with acetic acid to give ammonium ion and acetate ion. The reaction between ammonia…

Q: A 10.9 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

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Q: A chemistry student weighs out 0.0377 g of acrylic acid (HCH,CHCO,) into a 250. mL volumetric flask…

A: The solution is given below -

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Answer :-  Molarity of original H2SO4 solution = 1.207 M…

Q: An analytical chemist weighs out 0.127 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given:-analytical chemist weighs = 0.127 gMolarity = 0.1800MV = 9.3 mLCalculate molar mass of the…

Q: A 13.8 mL solution of 0.176 M phosphoric acid (ag) is to be titrated with 0.384 M sodium hydroxide…

A: The given data contains, Molarity of phosphoric acid = 0.176 M. Volume of phosphoric acid = 13.8 ml.…

Q: emist needs to determine the concentration of a sulfuric acid solution by titration with a standard…

A: Question is based on the concept of quantitative analysis . we need to calculate concentration of…

Q: in a titration to determine the concentration of hydronium ions in a test solution, the test…

A: Given: In a titration to determine the concentration of hydronium ions in a test solution: The test…

Q: An analytical chemist weighs out 0.193 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

Q: A 30.00 ml sample of phosphoric acid is titrated with a 0.050 M magneisim hydroxide solution.  The…

A: Given: Volume of sample = 30.00 mLInitial buret reading = 4.71 mLFinal buret reading = 31.09…

Q: An analytical chemist weighs out 0.181 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Let the diprotic acid be H2A. The reaction between the diprotic acid and NaOH is shown as: H2A +…

Q: An aqueous solution of hydrobromic acid is standardized by titration with a 0.147 M solution of…

A: Given, Molarity of Barium Hydroxide = 0.147 M = 0.147 mol/LVolume of base ( Ba(OH)2 ) = 14.8 mL =…

Q: I have 28.63 mL of an unknown-concentration Mg(OH)2 (aq) solution. I find that, when I add 23.33 mL…

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Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.180 M solution of…

A: Given : Molarity of HCl = 0.180M Volume of base = 28ml Volume of acid = 26.4ml

Q: An analytical chemist weighs out 0.185 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given:- analytical chemist weighs = 0.185 g Molarity = 0.2000M V = 9.5 mL Calculate molar mass of…

Q: A chemistry student weighs out 0.379 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A: Given data is as follows: The mass of citric acid = 0.379 g The volume of citric acid V1= 250 mL The…

Q: hydrobromic

A: Molarity is defined as the number of moles of solute in 1 L of solution.

Q: 0.3456 g of a solid acid is dissolved in 50 mL of water in a flask  and a few drops of…

A: According to law of equivalence, an acid exactly neutralises the same number of equivalents of a…

Q: An analytical chemist weighs out 0.087 g of an unknown monoprotic acid into a 250 mL volumetric…

A: The point in the titration curve, where the moles of acid and the moles of the base are equal in…

Q: To determine the molarity of an unknown sulfuric acid solution in a titration, a standardized NaOH…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.