A 0307-G Sample of an Unknown Triprotic Acid Is Titrated to to the Third

question 3

Multiple Choice

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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