Multiple Choice
A 0.250 M aqueous solution of p -toluic acid has a pH of 2.49. What is K a for this weak acid?
A) 4.2×10 - 5
B) 3.2×10 - 3
C) 1.3×10 - 2
D) 2.4×10 - 10
E) 1.0×10 - 5
Correct Answer:
Verified
Correct Answer:
Verified
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