A vinegar solution was prepared by diluting 25.00 mL of vinegar to 250.0 mL. From this solution, 50.00 mL portion was taken, and this required 30.00 mL of 0.1000M NaOH solution to reach neutralization end point. What is the  percentage (w/v) of HOAc in the sample? Mol wt HOAc = 60.0 g/mol

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