2. Calculate the pH values of the following solutions of acids, bases, salts and buffer solutions
Acid solution Base solution Salt solution Buffer solution
0.1 M H2SO3 Kal=6.8*10-8 0.05 M NaOH 0.1 M NaNO2 Ka=4*10-4 30 ml 0.05 M NH4OH 35 ml 0.1 M NH4Cl Кb=1.8*10 -5
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