A mixture of A(aq) and B(aq) associated with the reaction A(aq) 2 B(aq) for whic

Question

A mixture of A(aq) and B(aq) associated with the reaction
A(aq) 2 B(aq)

for which the numerical value of Kc is 4.26, is initially prepared to contain [A] = 0.500 M and [B] = 1.81 M. As this system progresses toward equilibrium, we can confidently predict
Choose one answer.
a. no change will occur in the concentration of either A or B.
b. the concentration of A will increase, while the concentration of B will decrease.
c. the concentration of A will decrease, while the concentration of B will increase.
d. the concentrations of both A and B will decrease.
e. the concentrations of both A and B will increase.

Explanation / Answer

intial Kc=1.81^2/0.5 =6.55 Kc has to reduce to reverse reation b

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