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A buffer solution contains 0.69 mol of hydrogen peroxide (HOOH) and 0.39 mol of sodium hydrogen peroxide (NaOOH) in 6.60...

A buffer solution contains 0.69 mol of hydrogen peroxide (HOOH) and 0.39 mol of sodium hydrogen peroxide (NaOOH) in 6.60 L. The Ka of hydrogen peroxide (HOOH) is Ka = 2.4e-12.

(a) What is the pH of this buffer? pH =

(b) What is the pH of the buffer after the addition of 0.61 mol of NaOH? (assume no volume change) pH =

(c) What is the pH of the original buffer after the addition of 0.13 mol of HI? (assume no volume change) pH =

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Answer #1

5 NA OOH = 0.39 mo) HCOOH = 0.09 ka = 2.4 x 1012 pia = -log(2-4*10/2) =) pka = volume = 6.6 lit 11.61978 a) PH= pka + log cao

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