How do you determine the number of moles argon in 452 g of argon?

1 Answer
Jan 7, 2017

Answer:

#"Number of moles"# #=# #"Mass"/"Molar mass"#.

Explanation:

And the #"number of moles of argon gas"# is thus:

#(452*cancelg)/(39.95*cancelg*mol^-1)= ??*mol#. Why do I get an answer with units of #mol#?