Friday
February 27, 2015

Homework Help: Chemistry

Posted by Jessica on Wednesday, October 27, 2010 at 8:42pm.

1. Calculate the number of moles of carbon atoms present in 2.4g of ethanol (C2H6O).

2. What is the % Nitrogen by weight in 3.696 mol of ammonium sulfide.

3. How many atoms of mercury are present in 5.4 cubic cm of liquid mercury? The density of mercury is 13.55g/cc.

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