Huh ?
do you mean
The measured density of He at STP is 0.1784g/l.what is the weight of one mole?
If so
then
1 mole = 22.4 liters at STP
22.4 * .1784 = answer
The measured density oe He at NTP is 0.1784g/l.what is the weight of one mole?
3 answers
3.99
V=nRT/p
22.7ltr.
22.7ltr.
2 answers