The interior of a refrigerator has a volume of 0.600 m3. The temperature inside the refrigerator in 282 K, and the pressure is 101 kPa. If the molecular weight of air is 29 g/mol, what is the mass of air inside the refrigerator?
The ideal gas constant is
R = 8.314 J/mol ? K = 0.0821 L ? atm/mol ? K.
A) 500 g
B) 560 g
C) 140 g
D) 270 g
E) 750 g
Answer: E
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