Posted by **RAYMOND** on Thursday, September 17, 2009 at 12:07am.

ok so i need to find how many atoms make up the earth. the average atomic mass of the atoms is 14g/mol. avogadro's number gives the number of atoms in a mole. so what atom do i take?? carbon or something??

- chemistry help -
**bobpursley**, Thursday, September 17, 2009 at 10:18am
Take the mass of the earth, in grams, then divide by 14g/mol, that will give the mol on Earth, then multiply by avag number.

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