A reaction is represented by this equation:

Question

2W(
aq
) ⇌ X(
aq
) + 2Y(
aq
)
K
c
= 5 × 10
−4
(a) Write the mathematical expression for the equilibrium constant.
(b) Using concentrations of ≤1
M
, make up two sets of concentrations that describe a mixture of W, X, and Y at
equilibrium.