Answer to Question #17746 in Physical Chemistry for suryasikha

Physical Chemistry

Question #17746

what is d [OH] of a 0.2M solution of ammonia.given,k=1.8*1/100000

Expert's answer

Ammonia is a weak base, so the most convenient approach is to calculate [OH^-] using K_b

[OH^-] = (K*C)^1/2 = (1.8*1/100000*0.2)^1/2 = 0.001897 M

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