a mole of ANY gas (vapor) occupies a volume of 22.4 L at STP
... 0ยบ C and 1.00 atm
A. make the corrections for temperature and pressure to find the moles
B. divide the given mass by the moles from A. to find the molar mass
the vapor from an unknown volatile liquid occupies a 269 ml. Erlenmeyer flask at 98.7 C and 748 mm Hg. The mass of the vapor is 0.791 g.
A. how many moles of vapor are present?
B. What is the molar mass of the volatile liquid?
1 answer
1 answer