Multiple Choice
An impure sample of benzoic acid (C6H5COOH,122.12 g/mol) is titrated with 0.5360 M NaOH.A 1.888-g sample requires 20.50 mL of titrant to reach the endpoint.What is the percent by mass of benzoic acid in the sample? C6H5COOH(aq) + NaOH(aq) → NaC6H5COO(aq) + H2O(l)
A) 0.008998 %
B) 1.099 %
C) 100.0 %
D) 8.998 %
E) 71.06 %
Correct Answer:

Verified
Correct Answer:
Verified
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