28. Solving a chemistry problem
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28. Solving a chemistry problem
1. Find the pH values of the following solutions of acids, bases, salts and buffer solutions.
Acid solution: 0.025 M HNO3
Base solution: 0.050 M KOH
Salt solution: 0.015 M NH4NO3 Kb=1.8*10-5
Buffer solution: 25 ml 0.015 M CH3COOH 25 ml 0.030 M CH3COOK Ka=1.74*10-5
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