8 класс. Расстановка коэффициентов
Вариант I
1. Na + Cl2 -> NaCl
2. Al + Cl -> A1C13
3. FeCl2 + Cl2-> FeCl3
4. C3H, + 02 -> C02 + H20
5. Cu + 02 - CuO
6. Fe(OH)3 -> Fe203 + H2O
7. Al + CuBr2-> AlBr3 + Cu
8. Ca(OH)2 + Na3P04-> Caз(P04)2 + NaOH
9. К20 + н20-> кон
10. NO2 -> NO + 02
11. B2H6 + 02 -> B2O3 + H20
12. C5H10 + 02-> C02 + H20
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