You Dissolve 1

question 83

Multiple Choice

You dissolve 1.24 g of an unknown diprotic acid in 220.0 mL of H₂O. This solution is just neutralized by 6.44 mL of a 1.25 M NaOH solution. What is the molar mass of the unknown acid?

• A) 1.28  10² g/mol
• B) 3.08  10² g/mol
• C) 2.10  10² g/mol
• D) 1.54  10² g/mol
• E) 1.93  10² g/mol