A 0338-G Sample of an Unknown Triprotic Acid Is Titrated to to the Third

question 5

Multiple Choice

A 0.338-g sample of an unknown triprotic acid is titrated to the third equivalence point using 33.4 mL of 0.163M NaOH. Calculate the molar mass of the acid.

• A) 5.44 g/mol
• B) 1.86× 10² g/mol
• C) 20.7 g/mol
• D) 69.3 g/mol
• E) 62.1 g/mol

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