a gas tank contains 480.0 grams of oxygen and 80.00 grams of helium. the tanks total volume is 100 liters and the temperature is held constant at standard condition. what is the total pressure reading on a pressure gauge in kpa?

Question

aaronq · Answer

Convert the masses given to moles, add them.

Then use them in the ideal gas law: PV=nRT

Solve for P

anonymous · Answer

what is the temperature?

aaronq · Answer

standard conditions http://en.wikipedia.org/wiki/Standard_conditions_for_temperature_and_pressure 273.15 K