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Calculate the pH of the solution resulting from the mixing of 55.0 mL of 0.100 M NaCN and 75.0 mL of 0.100 M HCN with 0.0090 moles of NaOH. The Ka of HCN is 4.9 x 10-10.
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Based on our data, we think this problem is relevant for Professor Gulotta's class at New Jersey Institute of Technology.