Using the ion- product constant for water, work the following exercises:?

a) Calculate the hydroxide ion concentration, [OH−], in a soltion where the hydronium ion concenration, [H30+], equals 0.0018]

b) Calculate the hydronium ion concentration, [H30+], in a solution where the hydroxide ion concentration, [0H-], equals 3.51x10 to the power of -11 M.

Can you please explain, thank you

2015-10-23T16:07:32Z

I messed up on the question, on letter a), just ignore the ( ] ) whee it says 0.0018 ]. I am talking about the braquet itself

Roger the Mole2015-10-23T16:41:15Z

a)
(10^-14) / (0.0018) = 5.6 x 10^-12 M OH-

b)
(10^-14) / ( 3.51 x 10^-11) = 0.000285 M H3O+

00

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