Explanation:
Ideal gas law states that the product of pressure and volume is directly proportional to the absolute temperature and gas constant.
Mathematically, PV = nRT
where, P = pressure
V = volume
n = number of moles
R = gas constant
T = temperature
At STP (Standard temperature and pressure) the value of temperature is 273 K and pressure is 1 atm.
Therefore, calculate moles of oxygen as follows.
PV = nRT
or, [tex]n = \frac{PV}{RT}[/tex]
= [tex]\frac{1 atm \times 1.0 \times 10^{5}L}{0.0821 L atm/K mol \times 273 K}[/tex]
= [tex]\frac{1.0 \times 10^{5} mol}{22.4133}[/tex]
= [tex]4.5 \times 10^{3}[/tex] mol
Thus, we can conclude that there are [tex]4.5 \times 10^{3}[/tex] moles of oxygen gas are in the storage tank.
