Автор - eyasss

ФОРМУЛА ВЕЩЕСТВА РЕАГЕНТЫ
А) K2S
Б) Zn(OH)2
В) P2O5
Г) S
1) O2,Fe,Br2
2) Cl2,FeSO4,HI
3) Li2O,Sr(OH)2,H2O
4) NH3,Ca3(PO4)2,HNO3
5) NaOH,H3PO4,HCl​

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