6.0 moles of methanol is allowed to respond with 2.0 moles of benzoic acid to form methyl benzoate as well as water. After the mixture reaches equilibrium 0.20 moles of benzoic acid is recovered. Explain what is the numerical value of the equilibrium constant?
a. 2.0
b. 2.1
c. 2.6
d. 2.8
e. 3.9