Posted by rachell on Monday, April 9, 2012 at 11:17am.
Look at the equation. The coefficients are not there because they look pretty.
1 mol Cu2S yields 2 mols Cu;
2 mol Cu2S yields 4 mols Cu;
5 mol Cu2S yields 10 mols Cu;
10 mol Cu2S yields 20 mols Cu.
Get the picture?
So 10.2 mol Cu2S yields ...... mols Cu.
so it is 20.4 mols cu???
so it is 20.4 mols cu???
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