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12-11-2022
Chemistry

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Расставьте коофициенты:
1. Al2O3 + HCL = AlCl3 + H2O
2. FeO + H2So4 = FeSo4 + H2O
3. Fe2O3 + H2 = Fe + H2O
4. Na2S + AgNo3 = Ag2S + NaNo3

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