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![3) [16.58] The acid-dissociation constant for chlorous acid (HCIO,) is 1.1*102. Calculate the concentrations of Ht, CIO2, and HCIO2 at equilibrium if the initial concentration of HCIO; is 1.25 M. 4) [16.811 A solution of sodium acetate (NaCH COO) has a pH of 9.70 with](https://media.cheggcdn.com/media%2F2a6%2F2a6d2777-9a35-4edf-8d0f-ae994d679f5d%2Fimage)
The acid-dissociation constant for chlorous acid (HClO_2) is 1.1*10^-2. Calculate the concentrations of H^+, ClO_2^-, and HClO_2 at equilibrium if the initial concentration of HClO_2 is 1.25 M. A solution of sodium acetate (NaCH_3COO) has a pH of 9.70 with
Expert Answer
Answer
3)
HClO2 ——-> H+ + ClO2–
1.25 M 0 M 0 M
– x M + x M +x M
(1.25 – x) M x M x M
Acid dissocaitionc constant = 1.1 * 10-2 = [H+] [ClO2–] / [HClO2]
1.1 * 10-2 = [x] [x]/ [1.25 M]
x = 0.117 M
[H+] = 0.117 M
[ClO2–] = 0.117 M
[HClO2] = 1.25 M – 0.117 M = 1.133 M
