It takes 2.1 ml of 1.00M NaOH (aq) stock solution to reach the second equivalence point in a titration of 50.0mL of phosphoric acid solution. By what factor should you dilute the 1.0OM NAOH stock solution so that you will reach the first equivalence point in about 10mL?

It takes 2.1 ml of 1.00M NaOH (aq) stock solution to reach the second equivalence point in a titration of 50.0mL of phosphoric acid solution. By what factor should you dilute the 1.0OM NAOH stock solution so that you will reach the first equivalence point in about 10mL?

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 49P

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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.

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It takes 2.1 ml of 1.00M NaOH (aq) stock solution to reach the second equivalence point in a
titration of 50.0mL of phosphoric acid solution. By what factor should you dilute the 1.00M NAOH
stock solution so that you will reach the first equivalence point in about 10mL?

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