Indicate the number of molecules and atoms: 2Fe3 (PO4) 2, 3Fe (NO3) 3.
| December 16, 2020 | education
1) 2 iron phosphate molecules, which consist of 3 iron molecules, 1 phosphorus molecule, four oxygen molecules twice.
2) 3 molecules of iron nitrate, which consist of 1 iron molecule, 1 nitrogen molecule, 3 oxygen molecules three times
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