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Ka for CH3 COOH and HCN are respectively...

`K_a` for `CH_3 COOH `and HCN are respectively `1.8 xx 10^(-5) and 5 xx 10^(-10)` Calculate the equilibrium constant for the reaction `CH_3 COOH + NaCN hArr CH_3 COONa + HCN`.

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`3.6 xx 10^4`
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