Name_____________________________________
Honors Chemistry
Section____________
Chapter 11 – Molecular Composition of Gases
Useful information: R = 0.0821 L·atm
mol·K
Form A
R=8.314 L·kPa
mol·K
A. Calculate the molar mass of a gas if 0.575grams of it has a volume of 0.498 L at 20.0oC and 0.958 atm.
Show given, find, known(formula) & set-up.
B.
What is the density of CO2 at 785 mm Hg and 46.30C? Show given, find, known(formula, etc) & set-up.