41. An ideal gas at 0.80 atmospheres and 87°C occupies 0.450 liter. How many moles are in the

sample? (R = 0.0821 liter-atm/mole-K).

A. 0.0002 mole

B. 0.0378 mole

C. 0.0122 mole

D. 0.0091 mole