阿摩線上測驗
72. A 0.307-g sample of an unknown triprotic acid is titrated to the third equivalence point using 35.2 mL of 0.106 M NaOH. Calculate the molar mass of the acid.
(A) 247 g/mol
(B) 171 g/mol
(C) 165 g/mol
(D) 151 g/mol
(E) 82.7 g/mol
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統計： A(7), B(1), C(1), D(1), E(1) #1121927
統計： A(7), B(1), C(1), D(1), E(1) #1121927
