chemistry help ? por favor?

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babiidream2

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5 star and best answer =D

You don't need to tell me the answers. Just tell me how to find it please? walk through it. please.

salt shaker filled with 17.0 g sodium chloride contains..?

the empirical formula for a compound that contains 36g C, 8 g O, and 6g Hydrogen is??

which has the greatest masS?
1. 4.2 mol of Carbon
2. 8.34x10^24 atoms of lead
3. 9500 formula units of calcium carbonate CaCO(little 3)
4. 12.6 g aaluminum nitrate (Al(NO3)3) (<---little 3's)
okay i got one of them -->its C6H12O

=] see i'm doing it i just need a lil help!
 
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