The following reaction has an equilibrium constant Kc = 7.1 x 10–4 at 25 °C. Calculate the equilibrium concentrations of Ca2+ and CrO42– in a saturated solution of CaCrO4. CaCrO4(s) ⇌ Ca2+(aq) + CrO42–(aq) a.7.1 x 10-4 M b.5.4 x 10-2 M c.3.6 x 10-4 M d.1.4 x 10-3 M e.2.7 x 10-2 M

The equilibrium constant of a reaction is the ratio between the product's concentration to the…

Answered: The following reaction has an…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter15: Principles Of Chemical Reactivity: Equilibria

Section15.5: More About Balanced Equations And Equilibrium Constants

Problem 15.6CYU: The conversion of oxygen to ozone has a very small equilibrium constant. 3/2 O2(g) O3(g) K = 2.5 ...

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The following reaction has an equilibrium constant K_c = 7.1 x 10^–⁴ at 25 °C. Calculate the equilibrium concentrations of Ca²⁺ and CrO₄^2– in a saturated solution of CaCrO₄.

CaCrO₄(s) ⇌ Ca²⁺(aq) + CrO₄^2–(aq)

a.

7.1 x 10^-4M

b.

5.4 x 10^-2 M

c.

3.6 x 10^-4M

d.

1.4 x 10^-3M

e.

2.7 x 10^-2M

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