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Determine the pH of the solution of 100 mL of 0.150 M benzoic acid, HC7H5O2 (Ka=6.3x10-5...

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Chemistry

Determine the pH of the solution of 100 mL of 0.150 M benzoicacid, HC7H5O2 (Ka=6.3x10-5 ). To this 25.0 mL of 0.400 M KOH isadded, calculate the pH of the resulting solution. In a second stepan additional 12.5ml of 0.400M KOH is added, calculate the pH ofthe resulting solution.

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4.1 Ratings (879 Votes)
HC7H5O2 H2O C7H5O21 H3O 0150 M 0150 MX x x Ka C7H5O21 H3O HC7H5O2 63x105 xx 0150x 63x105 x2 0150x Notice that HC7H5O2 0150x we can eliminate x because it is despicable so 63x105 x2 0150 63x1050150x2 945x106x2 square root of 945x106 x x 307x103    See Answer
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