In: Chemistry

# 78 A.) Calculate the pH of the solution that results from mixing 20.0 mL of 0.022...

78 A.) Calculate the pH of the solution that results from mixing 20.0 mL of 0.022 M HCN(aq) with 80.0 mL of 0.066 M NaCN(aq).

pH=

b. Calculate the pH of the solution that results from mixing 28.0 mL of 0.117 M HCN(aq) with 28.0 mL of 0.117 M NaCN(aq).

C. Calculate the pH of the solution that results from mixing 66.0 mL of 0.057 MHCN(aq) with 34.0 mL of 0.034 M NaCN(aq).. The Ka value for HCN is 4.9×10^(−10)

D.

Calculate the pH of a 0.231 M solution of NaNO2.. The ionization constant, ,Ka, for the acid, HNO2, is 4.60×10−4.

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