huh?

chemistry :X

im bored!

Can see that

-_- How did you even get that. You don't even know the concentration of oxygen in the atmosphere,

Neither do you know the mole ratio of any gas particles in the air or whatever

Ms Cho say so , Sms her if you dun believe my answer!

Wth?

Pregnant ladies has molar calculators and measurement devices in their baby HAHA. Her baby's first month coming soon!