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

1 Answer
anor277
Jan 7, 2017

"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?

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