In a Solution Prepared by Dissolving 0

question 77

Multiple Choice

In a solution prepared by dissolving 0.100 mol of propionic acid in enough water to make 1.00 L of solution, the pH is observed to be 1.35. What is K_a for propionic acid (HC₃H₅O₂) ?

• A) 4.5  10^-2
• B) 2.0  10^-2
• C) 5.0  10^-12
• D) 3.6  10^-2
• E) none of these

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