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Vinegar Is a 5

Question 122

Multiple Choice

Vinegar is a 5.0% solution by weight of acetic acid (CH3CO2H) in water.Given that the pH for acetic acid is 2.41,the Ka = 1.8 × 10-5 and assuming the density of vinegar to be 1.00 g/cm3,what is the percent dissociation of acetic acid in vinegar?


A) 0.47%
B) 1.5%
C) 4.0%
D) 5.0%

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