The molar volume is the same for all gases. So the density depends only on the molar mass. Answer D) shows the gases in order of increasing molar mass, so they are also in order of increasing density.

1 Answers · Science & Mathematics · 18/10/2020

... NO2. This has a formula mass of 46 g/mol At

**STP**, 1 mol of any gas occupies a volume of 22.4 L. So, 0.974...1 Answers · Science & Mathematics · 17/10/2020

... 70.9 g/mol = 29.7 g Cl2 To calculate the volume of gas at

**STP**, you can either calculate it using:P1V1/T1 = P2V2/...1 Answers · Science & Mathematics · 27/10/2020

Assuming

**STP**=== 1.7 x 10^242 Answers · Science & Mathematics · 18/10/2020

5) They all contain the same number of molecules

1 Answers · Science & Mathematics · 09/10/2020

(46.48 g CaCO3) / (100.0875 g CaCO3/mol) x (1 mol CO2 / 1 mol CaCO3) x (22.414 L/mol) =10.41 L CO2

1 Answers · Science & Mathematics · 09/10/2020