1. What is the pH of 0.55 M trimethylammonium chloride, (CH3)3NHCl?
The Kbof trimethylamine, (CH3)3N, is 6.3 x 10-5.
2. Calculate the pH of a 0.10 M solution of sodium benzoate (NaC6H5COO) given that the Ka of benzoic acid (C6H5COOH) is 6.50 x 10-5.
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a.
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8.59
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b.
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2.59
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c.
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5.41
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d.
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11.41
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e.
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9.81
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