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A 25.0 mL sample of 0.100 M acetic acid is titrated with a 0.125 M NaOH...

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Chemistry

A 25.0 mL sample of 0.100 M acetic acid is titrated with a 0.125M NaOH solution. Calculate the pH of the mixture after 10, 20, and30 ml of NaOH have been added (Ka=1.76*10^-5)

Answer & Explanation Solved by verified expert
4.3 Ratings (577 Votes)
When you add NaOH to the CH3COOH solution you form CH3COONa You then have a solution of a weak acid and a salt of this acid This is a buffer solution The pH of the buffer solution is calculated using the Henderson Hasselbalch equation pH pKa log salt acid pKa log Ka log 17105 477 number of moles is equal to Volume in litre multiply with    See Answer
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