The density of nitric oxide (NO) gas at 1.21 atm and 54.1 degree Celsius is _______g/L? A) 0.0451 B) 0.740 C) 1.35 D) 0.273 E) 8.2

1 Answer
Apr 9, 2018

#"C) 1.35 g/L"#

Explanation:

Molar mass of #"NO = 30 g/mol"#

Temperature of gas #"= 54.1°C = (54.1 + 273) K = 327.1 K"#

Density of a gas is given by

#"d" = "PM"/"RT"#

#"d" = "1.21 atm × 30 g/mol"/"0.0821 L atm / (mol K) × 327.1 K" = "1.35 g/L"#