Multiple Choice
Use R = 8.2 *10-5 m3 . atm/mol .K and NA = 6.02 * 1023 mol-1.The approximate number of air molecules in a 1 m3 volume at room temperature (300 K) and atmospheric pressure is:
A) 41
B) 450
C) 2.4 *1025
D) 2.7*1026
E) 5.4 * 1026
Correct Answer:

Verified
Correct Answer:
Verified
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