11. Solving a chemistry problem
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1. Find the pH values of the following solutions of acids, bases, salts and buffer solutions.
Acid solution Base solution Salt solution Buffer solution:
0.04 M HCl 0.05 M NaOH 0.1 M Na3PO4 Ka3=4.5*10-12 15 ml 0.01 M CH3COOH 45 ml 0.01 M CH3COONa Ka=1.8*10-5
Acid solution Base solution Salt solution Buffer solution:
0.04 M HCl 0.05 M NaOH 0.1 M Na3PO4 Ka3=4.5*10-12 15 ml 0.01 M CH3COOH 45 ml 0.01 M CH3COONa Ka=1.8*10-5
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