What is the pH of a buffer system that contains 0.200 M Hydrocyanic (HCN) abd 0.150 M sodium cyanide (NaCN)? The pKa of hyrocyanic acid is 9.31.

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A: Step 1: Given data,Initial temperature, T1 = 72.35 °C = 345.5 KInitial pressure, P1 = 1.022 atmFinal…

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