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A buffer solution contains 0.29 mol of phenol (HC6H5O) and 0.75 mol of sodium phenoxide (NaC6H5O) in...

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Chemistry

A buffer solution contains 0.29 mol of phenol(HC6H5O) and 0.75 mol of sodium phenoxide(NaC6H5O) in 5.20 L.
The Ka of phenol (HC6H5O) isKa = 1.3e-10.



(a) What is the pH of this buffer?

pH = ?????????????


(b) What is the pH of the buffer after the addition of 0.06 mol ofNaOH? (assume no volume change)

pH = ????????????


(c) What is the pH of the original buffer after the addition of0.59 mol of HI? (assume no volume change)

pH = ????????????

Answer & Explanation Solved by verified expert
4.1 Ratings (850 Votes)
HendersonHasselbalch equation is pH pKa logconjbaseconjacid a pKa logKa log 13x 1010 988 Here Phenol is the acid and sodium phenolxide is the base 029 moles of phenol in 52 L will be 0056 M 075 moles of sodium phenoxide    See Answer
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