Multiple Choice
An impure sample of benzoic acid (C6H5COOH,122.12 g/mol) is titrated with 0.9855 M NaOH.A 3.412-g sample requires 24.43 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) 0.01971 %
B) 2.407 %
C) 100 %
D) 19.71 %
E) 86.18 %
Correct Answer:
Verified
Correct Answer:
Verified
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