Consider the following reaction, equilibrium concentrations, and equilibrium con

Question

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of H2O(g). C2H4(g) + H2O(g) C2H5OH(g) Kc = 9.0 × 103 [C2H4]eq = 0.015 M [C2H5OH]eq = 1.69 M Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of H2O(g). C2H4(g) + H2O(g) C2H5OH(g) Kc = 9.0 × 103 [C2H4]eq = 0.015 M [C2H5OH]eq = 1.69 M

9.9 × 10-7 M

1.68 M

1.0 M

80. M

0.013 M

Explanation / Answer

1)

C2H4(g) + H2O(g) C2H5OH(g)

Kc = [C2H5OH]/[C2H4][H2O]

9.0*10^3 = 1.69 / (0.015 * [H2O])

[H2O] = 0.013 M

Answer: 0.013 M

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