How many mol is 80 g Ca? 80/40 = about 2
Convert mols Ca to mols F2.
2 mols Ca x (1 mol F2/1 mol Ca) = 2 x 1/1 = 2 mols F2.
1 mol F2 contains 6.022E23 molecules and 12.044E23 atoms F. So how many will 2 moles contain?
Given 80g of Calcium reacts with Fluorine at STP, how many atoms of Fluorine are consumed?
Heres the formula:
Ca (s) + F(subscript 2) --> CaF(subscript 2)
How do i do this?
Thanks!
Jackie
3 answers
So do u multiply 12.044 by 2 again to get 2 moles?
Yes, but it's 12.044E23 x 2 = 24.1E23 = 2.4E24 to two significant figures.