35. Решение задачки по химии №125111605

1. Calculate the pH values of the following solutions of acids, bases, salts and buffer solutions
Acid solution 0.050 M H3AsO4 Ka1=5.6*10-3
Base solution 0.0125 M Ba(OH)2
Salt solution 0.070 M Na2s Ka2=2.5*10-13
Buffer solution 25ml 0.050 M NH4OH 25ml 0.010 M NH4Cl Kb=1.8*10-5

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