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Calculate the pH change when 5.0 mL of 5.0-M NaOH is added to 0.500 L of...

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Chemistry

Calculate the pH change when 5.0 mL of 5.0-M NaOH is added to0.500 L of a solution of:

(The pKa for acetic acid is 4.74.)

a) 0.50-M acetic acid and 0.50-Msodium acetate.

pH change = _____

b) 0.050-M acetic acid and0.050-M sodium acetate.

pH change = ______

c) 0.0050-M acetic acid and0.0050-M sodium acetate.

pH change = _______

Answer & Explanation Solved by verified expert
3.9 Ratings (748 Votes)
a Initial pH Using HendersenHasselbalck equation for pH pH pKa logbaseacid 474 moles of NaOH added 5 M x 0005 ml 0025 mols Final concentration of acetic acid in solution 05 M x 05 L 0025 mols0505 L 0445 M acetate in solution 05 M x 05 L 0025    See Answer
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