Kc is very large
So, reaction will proceed to equilibrium
Balanced chemical equation is:
3 A + 2 B ---> 4 C
3 mol of A reacts with 2 mol of B
for 1.4 mol of A, 0.9333 mol of B is required
But we have 3.9 mol of B
so, A is limiting reagent
So, remaining amount of A would be 0
According to balanced equation
mol of C formed = (4/3)* moles of A
= (4/3)*1.4
= 1.867 mol
According to balanced equation
mol of B reacted = (2/3)* moles of A
= (2/3)*1.4
= 0.9333 mol
mol of B remaining = mol initially present - mol reacted
mol of B remaining = 3.9 - 0.9333
mol of B remaining = 2.967 mol
Since volume in 1 L
[A] = 0 M
[B] = 2.967 M
[C] = 1.867 M
Answer:
[A] = 0 M
[B] = 2.97 M
[C] = 1.87 M
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