Question

How many molecules of nitrogen gas are in 15 L of nitrogen gas

Answer 1

Answer:

$3.98\times 10^{23}$

Explanation:

Since we have $N_A$ number of molecules in 22.4 L, in 15 L we have:

$\frac{15}{22.4}\times 6.023 \times 10^{23}$ molecules.