November 2021 0 12 Report
Определить равнение реакции обмена: 1) Cu(OH)2 = CuO + H2O, 3) Zn + 2HCl = ZnCl2 + H2↑, 2) MgO + SO3 = MgSO4, 4) AgNO3 + HCl = AgCl↓ + HNO3.
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