A 0.4-L unbuffered solution needs the pH adjusted from 10.0 to 3.0. How many microliters of a 5 molar HCl solution need to be added to adjust the pH? Report your answer to four decimal places.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 124QRT
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A 0.4-L unbuffered solution needs the pH adjusted from 10.0 to 3.0. How many microliters of a 5 molar HCl solution need to be added to adjust the pH?

Report your answer to four decimal places.

For this question:

  • Assume the volume of HCl being added is negligible and the total volume of the solution does not change.
  • The volume of the solution is *not* 1 L like it was in the practice pools.
  • The question requests your answer be reported in μL (microliters)!!
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