An analytical chemist weighs out 0.108 g of an unknown triprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1300M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 25.4 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. 0 g mol x10 X

Q: A chemist weighs out 0.138 grams of an unknown diprotic acid into a 222 volumetric flask and makes a…

A: Answer:- This question is answered by using the simple concept of calculation of molar of the…

Q: An analytical chemist weighs out 0.054 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: A chemistry student weighs out 0.155 g of lactic acid (HC,H,O3) into a 250. mL volumetric flask and…

A: Lactic Acid is:- HC3H5O3 The molar mass of lactic acid is :- 90.08g/mol Weight of Lactic acid used =…

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

A: Answer  In the titration reaction of oxalic acid and sodium…

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: We have to calculate the molar mass of the unknown acid.

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

A: Given data is as follows: The mass of oxalic acid = 237 mg = 0.237 g The volume of distilled water =…

Q: In an acid-base titration, the neutralization of 20.00 mL of a solution of KOH (potassium hydroxide)…

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Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

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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: An analytical chemist weighs out 0.165 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: The unknown acid is triprotoic acid, hence the balanced chemical reaction between the acid and NaOH…

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Molar mass of unknown monoprotic acid as shown below

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

A:

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: concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue…

A: The question is based on reaction Stoichiometry. we have to determine the concentration of copper…

Q: A 15.5 mL sample of 0.215 M KOH was titrated with a weak acid. It required 21.2 mL of the acid to…

A: The Problem:Given: Volume of KOH = 15.5 mL                  ( 3 significant figures)Concentration…

Q: By titration, it is found that 77.3 mL of 0.122 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Answer: In neutralization reaction, hydroxide ion of base reacts with hydrogen ion of acid and…

Q: During the course of a titration experiment, you notice that no matter how much base you add to the…

A: The objective is to analyze the error in acid-base titration and find the suitable corrective…

Q: An analytical chemist weighs out 0.244 g of an unknown diprotic acid into a 250 mL volumetric flask…

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

A:

Q: By titration, it is found that 13.5 mL of 0.112 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Since the reaction taking place is given by  NaOH + HCl ----> NaCl + H2O Hence we can say that 1…

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

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Q: An analytical chemist weighs out 0.102 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

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

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Q: By titration, it is found that 58.5 mL of 0.177 M NaOH(aq) is needed to neutralize 25.0 mL of…

A:

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: A chemistry student weighs out 0.173 g of ascorbic acid (H₂CH₂O), a diprotic acid, into a 250. mL…

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Q: An analytical chemist weighs out 0.112 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given, Mass of an unknown acid = 0.112 grams.    Volume of flask = 250 mL. Molarity of NaOH = 0.0700…

Q: A chemistry student weighs out 0.0896 g of sulfurous acid (H,SO,, a diprotic acid, into a 250. mL…

A:

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

A: Given: Mass of oxalic acid = 10 mg Volume of oxalic acid = 250 mL Volume of NaOH solution = 12.2 mL…

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

A: Here we are required to find the Molarity of sodium hydroxide solution required for standardization…

Q: A chemistry student weighs out 0.166 g of ascorbic acid (H,C,H,O), a diprotic acid, into a 250. mL…

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

A:

Q: A chemistry student weighs out 0.361 g of ascorbic acid (H₂C H₂O), a diprotic acid, into a 250. ml.…

A:

Q: A chemistry student weighs out 0.0310 g of phosphoric acid (H, PO,), a triprotic acid, into a 250.…

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

A: we have to calculate molarity of NaOH solution

Q: A titration of 38.0 mL of a sulfuric acid (H₂SO₄) solution of unknown concentration with a…

A: Given: Volume of H2SO4 (V1) = 38.0 mL Concentration of Ba(OH)2 (M2) = 1.55 M Volume of Ba(OH)2 (V2)…

Q: A chemistry student weighs out 0.441 g of citric acid (H,C,H,0,), a triprotic acid, into a 250. mL…

A: Here we first calculate the molarity of the acid then use neutralization rule at equivalence point.

Q: An analytical chemist weighs out 0.032g of an unknown triprotic acid into a 250mL volumetric flask…

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Q: Determining the volume of base needed to titrate a given mass of acid A chemistry student weighs out…

A: Titration is a process that is employed in chemistry laboratories to determine the concentration of…

Q: Suppose that while titrating a vinegar sample you suddenly realize that you forgot to add the…

A: The question is based on the concept of titrations. we need to predict the effect of indicator and…

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

A: The given data is as follows: The mass of oxalic acid = 204 mg = 0.204 g The volume of water = 250…

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 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given:-analytical chemist weighs = 0.066 gMolarity = 0.1700MV = 8.4 mLCalculate molar mass of the…

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.