A solution containing 1.178 g of a triprotic acid H3A was titrated with NaOH. It required 90.00 mL of 0.1250 M NaOH to reach the third equivalence point. What is the molar mass of the triprotic acid, H3A?

A solution containing 1.178 g of a triprotic acid H3A was titrated with NaOH. It required 90.00 mL of 0.1250 M NaOH to reach the third equivalence point. What is the molar mass of the triprotic acid, H3A?

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter16: Reactions Between Acids And Bases

Section: Chapter Questions

Problem 16.54QE

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Concept explainers

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.

Question

A solution containing 1.178 g of a triprotic acid H3A was titrated with
NaOH. It required 90.00 mL of 0.1250 M NaOH to reach the third
equivalence point. What is the molar mass of the triprotic acid, H3A?

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