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Suppose you have 1.00 L of an aqueous buffer containing 60.0 mmol benzoic acid (pKa =...

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Chemistry

Suppose you have 1.00 L of anaqueous buffer containing 60.0 mmol benzoic acid (pKa = 4.20) and40.0 mmol benzoate. Calculate the pH of this buffer.

What volume of 5.00 M NaOH would be required to increase the pHto 4.93?

Answer & Explanation Solved by verified expert
4.0 Ratings (537 Votes)
1 PH PKa logPhcoo1PhCOOH 420log4060 402 2mmoles PhCOOH mmoles PhCOO 600 400 1000 During the titration we are converting PhCOOHor to PhCOO so the total mmoles of PhCOOHor plus PhCOO will always    See Answer
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