How Many Molecules of N₂ Are in a 300

Multiple Choice

How many molecules of N₂ are in a 300.0 mL container at 780 mm Hg and 135°C?

A) 5.26 × 10^{21 molecules}
B) 5.54 × 10^{21 molecules}
C) 1.59 × 10^{22 molecules}
D) 1.67 × 10^{22 molecules}