Question

How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292°K?

Answer 1

`n_"gas"~=11*mol`

Explanation:

We solve for `n` in the Ideal Gas equation...

`n=(PV)/(RT)`

`=(2.8*atmxx98*L)/(0.0821*L*atm*K^-1*mol^-1xx292*K)`

`~=11*mol`...