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Answer to Question #17746 in Physical Chemistry for suryasikha

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 Kb

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

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