0.5 gr of a diprotic acid is dissolved in water and titrated with 10 ml 1 M KOH to phenolphthalein end point. What is the molar mass of the acid? ½ H2A (aq) + KOH (aq) --> ½ K2A (aq) + H2O () Molar mass of KOH: 56 gr/mol O a 100 gr/mol O b. 200 gr/mol O. 50 gr/mol O d. 150 gr/mol

0.5 gr of a diprotic acid is dissolved in water and titrated with 10 ml 1 M KOH to phenolphthalein end point. What is the molar mass of the acid? ½ H2A (aq) + KOH (aq) --> ½ K2A (aq) + H2O () Molar mass of KOH: 56 gr/mol O a 100 gr/mol O b. 200 gr/mol O. 50 gr/mol O d. 150 gr/mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

0.5 gr of a diprotic acid is dissolved in water and titrated with 10 ml 1 M KOH to phenolphthalein end point. What is the molar mass of the acid?
½ H2A (aq) + KOH (aq) --> ½ K2A (aq) + H20 (1)
Molar mass of KOH: 56 gr/mol
O a. 100 gr/mol
оь. 200 gr/mol
Ос. 50 gr/mol
O d. 150 gr/mol

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