How Many Molecules of N₂ Are in a 250

Multiple Choice

How many molecules of N₂ are in a 250.0 mL container at 780 mm Hg and 135°C?

A) 4.38 × 10²¹ molecules
B) 4.62 × 10²¹ molecules
C) 1.32 × 10²² molecules
D) 1.39 × 10²² molecules