Question: 1) A buffer solution is 0.402 M in HCN and 0.223 M in KCN. If Ka for HCN is 4.0x10^-10, what is the pH of

1) A buffer solution is 0.402 M in HCN and 0.223 M in KCN. If Ka for HCN is 4.0x10^-10, what is the pH of this buffer solution?

2) A buffer solution is 0.322 M in H2SO3 and 0.386 M in NaHSO3. If Ka1 for H2SO3 is 1.7x10^-2, what is the pH of this buffer solution?

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