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vikavojakova94

Ответ:

1) 3Na + P = Na₃P

2) 2P + 3H₂ = 2PH3

3) 4P + 5O₂ = 2P₂O₅

4) 2Al + 3S = Al₂S₃

5) 2Ca+ O₂ = 2CaO

Объяснение:

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