Question

someone please help,

Assuming the air contains 78 % N_2 , 21% O_2, and 1 % Ar , all by volume , how many molecules of each type of gas are present in 1.0 L of air at STP ?

Answer 1

what's the molalr volume of any gas at STP?

Answer 2

thank you! :) I get it now :)) you knocked some sense out of me :))

Answer 3

hopefull sense was knocked IN, rather than out ;-)