At 18 degree Celsius and 765mmHg,1.30 liters of gas has mass 2.80g compute the molecular mass of the gas?
1 Answer
Apr 10, 2018
Explanation:
Use ideal gas equation,
#"PV = nRT"#
Where,
#"P = Pressure = 765 mmHg" = "765 mmHg"/"760 mmHg/atm" = "1.01 atm"# #"V = Volume = 1.30 L"# #"R = Gas constant = 0.0821 L atm / (mol K)"# #"T = Temperature (in Kelvin) = 18°C + 273 = 291 K"# #"n" = ?#
Molar mass