Asked by Ami vega
Calculate the pH of 0.2 M Na2SO3 data: ka1 (H2SO3) = 1.2 × 10 ^ (- 2) and Ka2 (H2SO3) = 6.2 × 10 ^ (- 8).
Answers
Answered by
DrBob222
.............SO3^2- + HOH ==> HSO3^- + OH^-
I............0.2 M...............................0.............0
C.............-x...................................x..............x
E...........0.2-x.................................x...............x
Kb for SO3^2- = Kw/Ka for H2SO3 = x*x/0.2-x
Solve for x = OH^- and convert to pH.
Post your work if you get stuck.
I............0.2 M...............................0.............0
C.............-x...................................x..............x
E...........0.2-x.................................x...............x
Kb for SO3^2- = Kw/Ka for H2SO3 = x*x/0.2-x
Solve for x = OH^- and convert to pH.
Post your work if you get stuck.
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