G 2 h2o 4 hydrogen 2 oxygen 3 feso4 3 iron 3 sulfur

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Unformatted text preview: chemical formula and indicates the number of molecules of that compound. NOTE: A coefficient multiplies the number of atoms of each element in the formula. **multiply coefficient LAST e.g. 2 H2O = 4 hydrogen, 2 oxygen 3 FeSO4 = 3 iron, 3 sulfur, 12 oxygen 4 Cu(NO3)2 = 4 copper, 8 nitrogen, 24 oxygen (Cu 1x4, N 1x2x4, O 3x2x4) PRACTICE Na2CO3 Type of Atom # of Atoms Ca3(PO4)2 Type of # of Atoms Atom Total Total K2CrO4 Type of Atom # of Atoms Total NH4C2H3O2 Type of # of Atoms Atom Total Pb(NO3)2 Type of # of Atoms Atom 3 BaCl2 Type of Atom # of Atoms Total 4Al2(CO3)3 Type of # of Atoms Atom Total 2(NH4)2Cr2O7 Type of # of Atoms Atom Total Total...
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This document was uploaded on 02/19/2014 for the course CHEMISTRY Chemistry at Mississauga Secondary School.

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