Benzoic acid is a weak acid that has antimicrobial

Reference no: EM13635373

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 aciddissociates in water:
C6H5COOH-- C6H5COO-+ H+
The pKa of this reaction is 4.2. In a 0.69 M solution ofbenzoic acid, what percentage of the molecules are ionized?

Reference no: EM13635373

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