Answer to Question #122231 in General Chemistry for Kadin Johnson

General Chemistry

Question #122231

Calculate the pH of a 0.300 mol/L solution of the weak base, ammonia. The Kb for ammonia is 1.7 x 10⁻⁵

Expert's answer

[H+]=Kw/ *Square root*(Kb*C(NH3))

[H+]=10^-14/(5,1*10^-6)=1,96*10^-9

pH=-lg[H+]=8,7

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