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A Sample of a Monoprotic Acid (HA) Weighing 0

Question 107

Multiple Choice

A sample of a monoprotic acid (HA) weighing 0.384 g is dissolved in water and the solution is titrated with aqueous NaOH. If 30.0 mL of 0.100 M NaOH is required to reach the equivalence point, what is the molar mass of HA?


A) 37.0 g/mol
B) 81.0 g/mol
C) 128 g/mol
D) 20.3 g/mol
E) 211 g/mol

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