The partial pressure of a certain gas in a system at equilibrium at 10.°C is experimentally determined to be 0.340 atmosphere. What is its concentration in moles per liter?
a. 4.14 × 10−1 M
b. 1.46 × 10−2 M
c. 68.2 M
d. 2.79 × 10−1 M
e. 7.90 M
Answer: b. 1.46 × 10−2 M