Question

calculate the number of molecules of oxygen gas that occupies a volume of 224ml at 233k and 3 atmosperic pressure​

Answer 1

Temperature of the Gas(T) = 273 K. and n = number of moles. ⇒ n = 0.02 moles. Thus, the number of the molecules of the Oxygen gas is 0.121 × 10²³ molecules.