In a reversible chemical reaction at equilibrium, the concentration of X (the reactant) is 0.75 mol/L, and the concentration of Y (the product) is 2.25 mol/L. At 25°C, what would be the Keq?
A) 0.33
B) 3.0
C) 1.69
D) 1.50
E) 37.5
B) 3.0
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