Method for getting correct answer? Thank you!

Question

What is the value of Kc at 226.85 °C for the reaction below if Kp is 6.24e-3 at this temperature?
CO(g) + 2H2(g) ↔ CH3OH(g)

a. 3.70e-6

b. 2.1614

c. 1.08e5

d. 10.5000

Answer 1

Kp = Kc(RT)^{delta n}