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samujlich
@samujlich
July 2022
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Помогите осуществить цепочку предложений.
Zn>ZnO>ZnCl2>Zn(OH)2>ZnO
(>— это типо стрелочки)
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Саша1363355
1) 2Zn + O2 = 2ZnO 2) ZnO +2HCl = ZnCl2 + H2O 3) ZnCl2 + 2NaOH = 2NaCl + Zn(OH)2 (осадок) 4) Zn(OH)2 + H2SO4 = ZnSO4 + 2H2O 5) Zn(OH)2 + 2NaOH = Na2[Zn(OH)4]
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