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Calculate the pH of a 0.010 M solution of acetic acid HCN at 25°C. The Ka for HCN at this temp is 4.9x10^-10.
pH = -log ([H3O+])
HCN (aq) + H2O (l) ⇌ CN- (aq) + H3O+ (aq)

Sagot :

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