The acidic ingredient in vinegar is acetic acid.If the pH of a particular brand of vinegar is 2.40 and the molar concentration of acetic acid in the vinegar is 0.85 M, determine the value of Ka for acetic acid.
A) 2.5 * 10-5
B) 5.0 * 10-5
C) 4.7 * 10-3
D) 1.9 *10-5
E) 7.4 *10-3
Correct Answer:
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