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A solution is prepared by combining 375mL of 0.25M HCN with 285mL of 0.10M NaCN. What...

A solution is prepared by combining 375mL of 0.25M HCN with 285mL of 0.10M NaCN. What is the pH for the solution? The Ka for hydrocyanic acid is 4.0x10^-10.

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