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Old 03-29-2008, 11:55 AM
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CHEMISTRY PLEASE HELP!!!! (finding # of ions in chemical formula)?

i have this MAJOR take home test that is due on monday that ive been working on all week and ive completed all but one section. you have to find the number of ions in each formula. if anyone knows how to do this PLEASE help me

1) 2.3 grams of NaCl (find Na)
2) 12.6 grams of CaCl2 (find Cl2)
3) 5.6 grams of H3PO4 (find PO4)
4) 52.4 grams of Na2SO4 (find Na2)
5) 82.5 grams of LiCl (find Cl)


if anyone knows how to do these it would be GREATLY appriciated thankssss
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