The following equilibrium constants have been de- termined for oxalic acid at 25°C: H,C2O4(aq) = H*(aq) + HC,07 (aq) H*(aq) + HC,O, (aq) K' = 6.5 × 10-2 HC,0, (aq) = H*(aq) + C¿0?(aq) K" = 6.1 × 10-5 Calculate the equilibrium constant for the following reaction at the same temperature: H2C,O4(aq) = 2H*(aq) + C,0 (aq)

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter5: Introduction To Chemical Equilibrium
Section: Chapter Questions
Problem 5.31E
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14.30 The following equilibrium constants have been de-
termined for oxalic acid at 25°C:
H,C,O4(aq) =
H*(aq) + HC2O, (aq)
K' = 6.5 × 10-2
HC,O7 (aq) = H*(aq) + C,O-(aq)
K" = 6.1 × 10-5
Calculate the equilibrium constant for the following
reaction at the same temperature:
H,C,O4(aq) =
2H*(aq) + C,O? (aq)
Transcribed Image Text:14.30 The following equilibrium constants have been de- termined for oxalic acid at 25°C: H,C,O4(aq) = H*(aq) + HC2O, (aq) K' = 6.5 × 10-2 HC,O7 (aq) = H*(aq) + C,O-(aq) K" = 6.1 × 10-5 Calculate the equilibrium constant for the following reaction at the same temperature: H,C,O4(aq) = 2H*(aq) + C,O? (aq)
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