Chemistry

The gfm of an element or compound is used to convert grams of a substance into moles . Grams A = 1mole A/gfm A = # moles of A. The gfm can also be used to convert moles of a substance into grams. Mol B x gfm/1mol B = grams B. 15. How many grams are in 7.20 mol of Dinitrogen trioxide? g. 7.25 mol Be. g. 2.40 mol N2 . 1 1.12 mol K2CO3 1 16. ................
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