Question

What is the molar mass of an unknown gas with a density of 1.90g/L at 1.00 atm and 25.0 C?

Answer 1

Answer:

46.46 g/mol

Explanation:

dRT = PM

(1.90 g/L)(0.082057 L * atm/mol⁻¹ * K⁻¹)(298 K) = (1.00 atm)M

46.46 g/mol = M