The density of nitric oxide (NO)gas at 1.21 atm and 54.1°C is ________ g/L.
A)0.0451
B)0.740
C)1.35
D)0.273
E)8.2

Question

Quizplus · Accepted Answer

To find the density of a gas, use the ideal gas law rearranged to solve for density: $d = \frac{PM}{RT}$. Here, P = 1.21 atm, M (molar mass of NO) = 30.01 g/mol, R = 0.0821 L·atm/mol·K, and T = 54.1°C = 327.25 K. Plugging in these values gives a density of approximately 1.35 g/L.

The Density of Nitric Oxide (NO)gas at 1