How many copper atoms are in 5.6 moles of #Cu_2O#?

1 Answer
Gió · David G.
Mar 24, 2016

I found #6.74×10^(24)# Cu atoms.

Explanation:

In one mole you have Avogadro's number (#6.022×10^(23)#) of objects, in this case 'formula units' of #Cu_2O#.

So, in #5.6# moles we have:

#5.6×6.022×10^(23)# formula units of #Cu_2O#, each one with #2# Cu atoms giving:

#2×5.6×6.022×10^(23)=6.74×10^(24)# atoms of Cu...

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