Ответ:
Объяснение:
4Al + 3O2 = 2Al2O3
2Al + 3S = Al2S3
Cr2O3 + 2Al = Al2O3 + 2Cr
2Al + 6HCl = 2AlCl3 + 3H2
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Ответ:
Объяснение:
4Al + 3O2 = 2Al2O3
2Al + 3S = Al2S3
Cr2O3 + 2Al = Al2O3 + 2Cr
2Al + 6HCl = 2AlCl3 + 3H2