Please explain the answers thoroughlyas well as all the necessary steps arriving

Question

Please explain the answers thoroughlyas well as all the necessary steps arriving at the answers. Thanks. The pH of a white vinegar solution is 2.45. This vinegaris an aqueous solution of acetic acid with a density of 1.09g/mL. What is the mass percentage of acettic acid in thesolution? Please explain the answers thoroughlyas well as all the necessary steps arriving at the answers. Thanks. The pH of a white vinegar solution is 2.45. This vinegaris an aqueous solution of acetic acid with a density of 1.09g/mL. What is the mass percentage of acettic acid in thesolution?

Explanation / Answer

[H+] = 10-2.45 = 3.5 x 10-3 M =x

Ka = x2/F, solve for F = 0.72 mol/L = 43g/L = 0.043 g/mL

Mass % = (0.043/1.09) x 100 = 3.9%

OR

pH = pKa + log[(x)/(F - x)]

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