Given the following information, CH 3 COOH (aq) + H 2 O (l) --> H 3 O + (aq) + C

Question

Given the following information,

            CH3COOH (aq) + H2O (l) --> H3O+ (aq) + CH3COO- (aq)                        K = 1.8 x 10-5

            OCl- (aq) + H2O (l) --> HOCl (aq) + OH- (aq)                             K = 3.4 x 10-7

            2 H2O (l) --> H3O+ (aq) + OH- (aq)                                                            K = 1.0 x 10-14

What is the value of the equilibrium constant for the following reaction?

CH3COOH (aq) + OCl-(aq) --> CH3COO-(aq) + HOCl (aq)     Knet = ??

Explanation / Answer

Answer: Here the Knet would be equal to the product of the all given equation but the important think is ,we have to rewert the third equation to get the required equation hence the its K3 = 1/k = 1/1.0 * 10-14

hence K net = K1 K2 K3

Knet = 1.8 * 10-5 * 3.4 * 10-7/1.0 * 10-14  = 6.12 * 102

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