5 задание

5. Розставити коефіцієнти в схемах реакцій: (2,5 a) Al + S – Al.S, б) Hgo - Hg + 0, в) MgS + 0, + SO, г) Li + 0, — Li,0 д) Fes + 0, - Fe, 0, + SO, или​
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