1.

Oxidation number of Al3 SO4 3​

Answer»

aluminum, SULFUR and oxygen. If your looking for the addition reaction for the formation of Aluminum sulfate this is equation:Al(+3) + SO4(-2) = Al2(SO4)3Aluminum has an OXIDATION number of +3 and sulfate, a polyatomic ION, has an oxidation number of -2 not -3.Balancing the Equation gives 2AL + 3SO4 = Al2(SO4)3



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