How do I convert 4.3 x 10^22 atoms of Nitrogen to grams? Please help!
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How do I convert 4.3 x 10^22 atoms of Nitrogen to grams? Please help!

[From: ] [author: ] [Date: 13-11-05] [Hit: ]
02 x 10^23 then multiply that by the molar mass of N.-Divide by Avogadros number to get moles.Multiply by the molar mass of N2 to get the mass of N2 in grams.-thats 1g.........
The problem is:

Convert to grams:

4.3 x 10^22 atoms of nitrogen (N^2)

PLEASE HELP VERY URGENT

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I guess you don't know that one mole of anything equates to 6.02 x 10^23

so find the number of moles of atoms you have

4.3 x 10^22 / 6.02 x 10^23 then multiply that by the molar mass of N.

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Divide by Avogadro's number to get moles.

Multiply by the molar mass of N2 to get the mass of N2 in grams.

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that's 1g...

4.3x10^22 / 6.02x10^23 = 0.0714mol

0.0714 * 14 = 1g
1
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