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Vinegar Is a 5

Question 21

Multiple Choice

Vinegar is a 5.0% solution by weight of acetic acid (CH3CO2H) in water.Given that Ka = 1.8 × 10-5 for acetic acid and assuming the density of vinegar to be 1.00 g/cm3,what is the pH of this vinegar solution?


A) 2.00
B) 2.41
C) 2.87
D) 4.74

Correct Answer:

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