# Calculate the pH of a buffer solution that is 0.247 M in HCN and 0.168 M...

###### Question:

Calculate the pH of a buffer solution that is 0.247 M in HCN and 0.168 M in KCN. For HCN, Ka = 4.9 times 10^-10 (pKa = 9.31). PH =

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