5 15 points suppose 100 mg of acetic acid ch3cooh a weak acid is disso
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5) (15 points) Suppose 100 mg of acetic acid (CH3COOH, a weak acid) is dissolved in 500 mL of pure water at equilibrium. The pKa value of acetic acid is
4.76. What is the pH of the solution? (Note: the conjugate base of CH3COOH is CH3COO')