Determine the oxidation state of the highlighted element of the complex compound.

univerkov | August 22, 2021 | education

1. Name of compound 2. Formula of compound 3. c.o. central connection
1. Phosphoric acid 2. Н₃РО₄ 3. + 5
1. Potassium sulfate 2. K₂SO₄ 3. +6
1. Sodium carbonate 2. Na₂C0₃ 3. +4
1. Aluminum nitrate 2. AI (N0₃) ₃ 3. +5

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