Example 7 11 How many grams of NaOH must be dissolved in one litre of...

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Physics

Example 7 11 How many grams of NaOH must be dissolved in one litre of the solution to have a solution of pH 12 Solution pH log H O 12 log H O 12 H3O 1 10 12 mol L 1 We know that OH Kw H O OH Kw H3O 1x 10 14 1x 10 12 1 x 10 mol L 1 Since NaOH is a strong base it is completely ionized NaOH OH 1 x 10 2 mol L 1 Molecular mass of NaOH 40 Amount of NaOH in grams per litre

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Example 7 11 How many grams of NaOH must be dissolved in one litre of the solution to have a solution of pH 12 Solution pH log H O 12 log H O 12 H3O 1 10 12 mol L 1 We know that OH Kw H O OH Kw H3O 1x 10 14 1x 10 12 1 x 10 mol L 1 Since NaOH is a strong base it is completely ionized NaOH OH 1 x 10 2 mol L 1 Molecular mass of NaOH 40 Amount of NaOH in grams per litre

Example 7 11 How many grams of NaOH must be dissolved in one litre of...

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Physics

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