How Many Moles of Air Must Escape from a 15

Multiple Choice

How many moles of air must escape from a 15.0-m × 9.0-m × 6.0-m room when the temperature is raised from 10.0°C to 20.0°C? Assume the pressure remains unchanged at one atmosphere while the room is heated.(R = 8.31 J/mol⋅K)

A) 4.9E+3 moles
B) 1.2E+3 moles
C) 2.2E+2 moles
D) 7.9E+2 moles
E) 5.0E+3 moles