Indicate the oxidation state of each element in the compounds: H3PO4, K2CO3.
| November 24, 2020 | education
H3PO4:
Hydrogen has +1, total +3
Oxygen has -2, total -8
Phosphorus +5
K2CO3:
Potassium has +1, in total +2
Oxygen has -2, total -6
Carbon +4
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