An Unknown Diprotic Acid (H₂A)requires 31

question 1

Multiple Choice

An unknown diprotic acid (H₂A) requires 31.81 mL of 0.109 M NaOH to completely neutralize a 0.685 g sample.Calculate the approximate molar mass of the acid.

• A) 577 g/mol
• B) 395 g/mol
• C) 198 g/mol
• D) 99 g/mol
• E) 288 g/mol

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