121. Solving a chemistry problem

121. Solving a chemistry problem

Calculate Khydr. The following salts: NH4CN, CH3COONH4, NH4ClO, if the dissociation constants of NH4OH, HCN, CH3COOH and HClO, respectively, are 1.77.10-5; 4.9.10-10; 1.75.10-5; 3.0.10-8.

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