Chemistry

Problem

In a very good vacuum system in the laboratory, the vacuum attained was

10^{-13}

atm. If the temperature of the system was 300 K, the number of molecules present in a volume of

1 \text{ cm}^3

is a.

2.4 \times 10^6

b. 24 c.

2.4 \times 10^9

d. zero