contestada

Consider the following reaction, equilibrium concentrations, and equilibrium constant at
a particular temperature. Determine the equilibrium concentration of H2O(g): [C2H4]eq = 0.015
M, [C2H5OH]eq = 1.69 M
C2H4(g) + H2O(g) ? C2H5OH(g) Kc = 9.0

Respuesta :

Answer:

Equilibrium concentration of [tex]H_{2}O[/tex] is 12.5 M

Explanation:

Given reaction: [tex]C_{2}H_{4}+H_{2}O\rightleftharpoons C_{2}H_{5}OH[/tex]

Here, [tex]K_{c}=\frac{[C_{2}H_{5}OH]}{[C_{2}H_{4}][H_{2}O]}[/tex]

where [tex]K_{c}[/tex] represents equilibrium constant in terms of concentration and species inside third bracket represent equilibrium concentrations

Here, [tex][C_{2}H_{4}]=0.015M[/tex] , [tex][C_{2}H_{5}OH]=1.69M[/tex] and [tex]K_{c}=9.0[/tex]

So, [tex][H_{2}O]=\frac{[C_{2}H_{5}OH]}{[C_{2}H_{4}]\times K_{c}}=\frac{1.69}{0.015\times 9.0}=12.5M[/tex]

Hence equilibrium concentration of [tex]H_{2}O[/tex] is 12.5 M