A mixture of 0.20 mole of Ar, 0.20 mole of N₂ and 0.30 mole of He exerts a total pressure of 2.1 atm. The partial pressure of He in the mixture is?

Fave.x

1 year ago

total pressure=2.1
total mole=0.7

0.7=2.1
0.3=?
cross multiply
2.1*0.3=0.7?
0.63=0.7?
?=0.63/0.7
?=0.9
A

Finesse11

6 months ago

the only thing I'd question is the 2.1

Kamsoyolert2

1 year ago

how do u get 0.3