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Question: pyridine is a weak base that is used in the...

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previous l 13 of Part A Pyridine is a weak base that is used in the manutacture of pesticides and plassc resins. Itis also a component of cigarette smoke. Pyridine ionizes in water as follows: The pKb of pyridine is 8.75 What is the pH of 0.105 M solution of pyridine? (Assume that the temperature is 25 c) Express the pH numerically to two decimal places. pH Hints My Answers Give Up Review Part Part B Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in food medications, and personal hygiene products. Benzoic acid lonizes in water. The pKa of this reaction is 42. In a 0,56 M solution of benzoic acid, what percentage of the molecules are ionized? Express your answer to two significant figures and include the appropriate units, tonizaton Value Units Suboreet Hints My Answers Give Up Review Part de Feedbag Continue prt sc
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