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Осуществите цепь превращений:
Zn → ZnO → ZnCl2 → Zn(OH)2 → ZnBr2 → ZnSO4 → Zn(NO3)2 → Zn3(PO4)2
Ответы 1
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2Zn + O_2 = 2ZnOZnO + 2HCl = ZnCl2 + H_2O ZnCl2 + 2HBr = ZnBr2 + HClZnBr2 + Mg_2SO4 = ZnSO4 + 2MgBr Zn SO4 + 2HNO3 = Zn(NO3)2 + H2SO43Zn(NO3)2 + 2H3PO4 = Zn3(PO4)2 + 6HNO3
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Автор:
dumbledorejaa1 - 5 лет назад
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