Answer to Question #349338 in General Chemistry for ----

Question

For the following reaction:

A_(aq) + 2 B_(aq) ⇌ 2 C_(aq) + 2 D_(aq)

Calculate the magnitude of K_c (don't report the units) assuming the following composition at equilibrium:

[A] = 0.876 mol L^-1

[B] = 0.708 mol L^-1

[C] = 0.929 mol L^-1

[D] = 0.328 mol L^-1

Answer 1

Solution:

Balanced chemical equation:

A_(aq) + 2B_(aq) ⇌ 2C_(aq) + 2D_(aq)

The K_c expression for the reaction:

[A] = 0.876 mol L⁻¹

[B] = 0.708 mol L⁻¹

[C] = 0.929 mol L⁻¹

[D] = 0.328 mol L⁻¹

Therefore,

The magnitude of K_c is 0.211

Answer: 0.211