0653 G of a Monoprotic Acid (Mm = 157 G/mol)

question 76

Multiple Choice

0.653 g of a monoprotic acid (mm = 157 g/mol) is dissolved in water to produce 50.0 mL of a solution with pH = 2.13. Determine the ionization constant of the acid.

• A) 7.9 × 10^-3
• B) 8.9 × 10^-2
• C) 6.6 × 10^-4
• D) 3.9 × 10^-2
• E) 3.6 × 10^-6

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