A careless laboratory technician prepares 300.0 mL of 0.0175 m KOH(aq) and pipets 25.0 mL of the
Question:
A careless laboratory technician prepares 300.0 mL of 0.0175 m KOH(aq) and pipets 25.0 mL of the solution into a beaker.
The beaker is allowed to stand in a warm place for two days before use, during which time some of the water evaporates and the volume is reduced to 18.0 mL.
(a) What would the pH of the solution as initially prepared have been?
(b) What will be the actual pH of the solution after the evaporation?
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Related Book For 
Chemical Principles The Quest For Insight
ISBN: 9781464183959
7th Edition
Authors: Peter Atkins, Loretta Jones, Leroy Laverman
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