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The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is
__________. The Ka of acetic acid is 1.76 × 10-5.

  • chemistry - ,

    Use the Ka expression (or the Henderson-Hasselbalch expression).
    Ka = (H^+)(CH3COO^-)/(CH3COOH)
    You are given CH3COO^- and CH3COOH, solve for H^+, then convert to pH.

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