Need Science Help!!! Mol, atoms, and particles stuff?

Posted on 2015-10-16 06:08:00 in Chemistry by KATIE

Okay I have a few questions I'm really struggling with..

1) How many moles of carbon atoms, hydrogen atoms, and oxygen atoms are in 1 mol of benzoic acid (C6H5COOH)

2) 3 mol of magnesium chloride, MgCl2 contains _____ mol of magnesium ions and 6 mol of chloride ions

3) In 3.01 X 10e23 molecules of the molecular compound sucrose (C12H22O11) there are ____ atoms of carbon, _____ atoms of hydrogen, and ____ atoms of oxygen

You don't have to answer them all but nay help is appreciated!

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