Step 1:

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The concentration of acetic acid is [HCH2H3O2] is 0.100 M.

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ka for acetic acid is \"\".

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Definition of pH: \"\".

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The equation is \"\".

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Step 2:

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Find the pH of the solution.

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The pH of the solution is 2.8729. \ \

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Solution:

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The pH of solution is 2.8729.