Question

What is the equilibrium concentration
of C at 30°C for the gaseous reaction
A + B <-> 2C
if Kc = 4.0 and [Al]i = [B]i = 2.0 M ?
[?]M

Answer 1

Answer:

56

Explanation:

Answer 2

$\\ \rm\Rrightarrow K_c=\dfrac{[Products]}{[Reactants]}$

Now

$\\ \rm\Rrightarrow k_c=\dfrac{[C]^2}{[A]^1[B]^1}$

Put values

• [C] be x

$\\ \rm\Rrightarrow 4=\dfrac{x^2}{2^2}$

$\\ \rm\Rrightarrow x^2=4(4)$

$\\ \rm\Rrightarrow x^2=4^2$

$\\ \rm\Rrightarrow x=4.0M$