Asked by sh

how many moles of zinc atoms are need to supply the same number of atoms as 56.0g of argon?

#mol Zn=56.0gAr x 1mol/40g = 1.40mol Zn?
since it has the same amount of atoms I don't have to multiply anything else?
Answered by DrBob222
That looks ok to me but I would have used 39.9 for Ar. Ar is 39.948 which rounds to 39.9 instead of 40.
Answered by sh
Alright, thanks!
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