A typical sample of vinegar has a pH of 3.0. Assuming that vinegar is only an aqueous solution of acetic acid (Ka=1.8x10^-5), calculate the concentration of acetic acid in vinegar.

Concentration of acetic acid in vinegar is 0.06 M

Explanation:

     cM              0             0

So dissociation constant will be:

Putting in the values we get:

Thus concentration of acetic acid in vinegar is 0.06 M

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