I used this formula: PV=nRT for both and I'm still getting the answer wrong.
6. At what temp. does 5.00g of H2 occupy a volume of 50.0L at a pressure of 1.01 atm? (1.01)(50.0)=(2.5)(8.31)(T)
7. How many moles of gas would you have if you had a volume of 38.0 L under a pressure of 1432 mmHg at standard temp? (1432)(38)=(n)(8.31)(273)
Am I even setting these up right?

For the second question, you have to convert the 1433mm Hg to Pascal units.
Use this converter

http://www.engineeringtoolbox.com/pressure-units-converter-d_569.html

Then find out the answer.