5. Допишіть рівняння реакцій: 1) H2SO3 + NaOH -> 2) Zn + H2S04 3) CO2 + KOH 4) Cao+ HCI
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06.05.2020 15:34
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1) H2SO3 + 2NaOH = Na2SO3 + 2H2O
2) H2SO4 + Zn = 2H + ZnSO4
3) CO2 + 2KOH = K2CO3 + H2O
4) CaO + 2HCl = CaCl2 + H2O
Объяснение: