Question

find the pressure of gas mixture ?​

Answer 1

★ See this attachment...

Answer 2

Answer:

Pv = n RT for the two gases. We can write

0.8 x 0.5 = nH2 x RT or nH2 = 0.8 x 0.5 / RT

ALSO 0.7 x 2.0 = n02 . RT or n02 = 0.7 x 2 /RT

When introduced in 1 L vessel, then

Px1L = (n02 + nH2) RT

Putting the values, we get

P = 0.4 + 1.4 = 1.8 bar