136k views
1 vote
How many moles does 205g of helium, He contains ?

User Trousout
by
7.2k points

2 Answers

6 votes
19.512
i hope this helps

User Puma
by
7.0k points
5 votes
Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.
User Fateddy
by
7.1k points