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derzkiykirill
@derzkiykirill
April 2022
1
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1) Напишите уравнения возможных реакций:
Ca(OH)2 + NaOH → ...
KOH + P205 → ...
KOH + ZnO → ...
Ca3(PO4)2 + KOH → ...
2)Осуществите цепочку превращений:
Zn → ZnO → Zn(NO3)2 → Zn(OH)2 →ZnCl2
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Answers & Comments
svetka1574
1) 6KOH + P2O5 ->2 K3PO4 + 3H2O
2KOH + ZnO -> K2ZnO2 + H2O
2) 2Zn + O2 -> 2ZnO
ZnO + 2HNO3 -> Zn(NO3)2 + H2O
Zn(NO3)2 + 2NaOH -> Zn(OH)2 + 2NaNO3
Zn(OH)2 + 2HCl -> ZnCl2 + 2H2O
1 votes
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Answers & Comments
2KOH + ZnO -> K2ZnO2 + H2O
2) 2Zn + O2 -> 2ZnO
ZnO + 2HNO3 -> Zn(NO3)2 + H2O
Zn(NO3)2 + 2NaOH -> Zn(OH)2 + 2NaNO3
Zn(OH)2 + 2HCl -> ZnCl2 + 2H2O