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Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows: C5H5N+H2O?C5H5NH++OH? 1. The pKb of pyridine is 8.75. What is the pH of a 0.490M solution of pyridine? Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid ionizes in water: C6H5COOH?C6H5COO?+H+ 2. The pKa of this reaction is 4.2. In a 0.69M solution of benzoic acid, what percentage of the molecules are ionized?

Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows:

C5H5N+H2O?C5H5NH++OH?

1. The pKb of pyridine is 8.75. What is the pH of a 0.490M solution of pyridine?

Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid ionizes in water:

C6H5COOH?C6H5COO?+H+

2. The pKa of this reaction is 4.2. In a 0.69M solution of benzoic acid, what percentage of the molecules are ionized?

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