Ответ: Have a nice day!
Объяснение:
C + O2 → CO2 (1C, 1O2 → 1CO2)
S + O2 → SO2 (1S, 1O2 → 1SO2)
Ca + O2 → CaO (1Ca, 1O2 → 1CaO)
2Na + O2 → 2NaO (2Na, 1O2 → 2NaO)
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Ответ: Have a nice day!
Объяснение:
C + O2 → CO2 (1C, 1O2 → 1CO2)
S + O2 → SO2 (1S, 1O2 → 1SO2)
Ca + O2 → CaO (1Ca, 1O2 → 1CaO)
2Na + O2 → 2NaO (2Na, 1O2 → 2NaO)