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Problem 16.48 Part A Calculate the concentration of an aqueous solution of Ca(OH)2 that has a...

Problem 16.48

Part A

Calculate the concentration of an aqueous solution of Ca(OH)2 that has a pH of 11.88.

Express your answer using two significant figures.

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Answer #1

tolirn Given that p* -11.88 poH 14-pH -14-11.88 -2.12 we know [OH] 10212 0.007585 M since Ca(OH)2 produces 2 ions for each molecule so concentration of Ca(OH)2 is half of concentration of OH if [OH-] = 0.007585 M so [Ca(OH)2]-1/2 x 0.007585 M-0.003792 M

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