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1. A solution has [H3O+] = 4.4×10−5 M . Use the ion product constant of water...

1. A solution has [H3O+] = 4.4×10−5 M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [OH−] of the solution. Express your answer to two significant figures.

2. A solution has [OH−] = 2.7×10−2 M . Use the ion product constant of water

Kw=[H3O+][OH−]

to find the [H3O+] of the solution.

3. What is the pH of a solution prepared by dissolving 1.7 g of Ca(OH)2 in water to make 870. mL of solution?

Express your answer using two decimal places. Express your answer to two significant figures.

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