Posted by Luc on .
Can u help me plz.A compound producd 1200cm3 of N2 @ rtp.a) how many N2 molecules were in the sample & wat mas of N2 is producd

chemistry 
DrBob222,
rtp?
There are 6.02E23 molecules in 22.4 L N2 @ STP. So how many are in 1.2 L (1200 cc)?.
That 22.4 L N2 has a mass of 28 g. So how many g will you have in 1.2 L?