Benzoic acid is a common food preservative, and its molecular formula is HC 7 H 5 O

Question:

Benzoic acid is a common food preservative, and its molecular formula is HC₇H₅O₂. If 22.55 mL of 0.293 M NaOH neutralizes a 0.806-g sample of benzoic acid, what is the molar mass of the acid? The balanced equation for the reaction is

HC₇H₅O₂(aq) + NaOH(aq) → NaC₇H₅O₂(aq) + H₂O(l)

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