what is the pH of a solution prepared from solid, neutral 2-nitrophenol providing a fromal concentration of 0.0353M, given that the Ka of 2nitrophenol is 5.98 x 10^-8

Question

Chemistry

Jessie Graham

19 May, 02:03

what is the pH of a solution prepared from solid, neutral 2-nitrophenol providing a fromal concentration of 0.0353M, given that the Ka of 2nitrophenol is 5.98 x 10^-8

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Answers (1)

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Armani · Answer 1

pH = 4.34

Explanation:

pH = - 1/2 (logKa) - 1/2 (log C)

= - 1/2 (log 5.98*10^-8) - 1/2 (log 0.0353)

=-1/2 (-7.22) - 1/2 (-1.45)

=3.61+0.725 = 4.34