Сu2CH2O5 -> 2CuO + CO2 + H2O
CuO + H2SO4 = CuSO4 + H2O
CuSO4 +2 NaOH = Cu(OH)2 + Na2SO4
Cu(OH)2 + 2HCl = CuCl2 +2 H2O
CuCl2 + H2S = CuS + 2HCl
Сu2CH2O5 -> 2CuO + CO2 + H2O
CuO + H2SO4 = CuSO4 + H2O
CuSO4 +2 NaOH = Cu(OH)2 + Na2SO4
Cu(OH)2 + 2HCl = CuCl2 +2 H2O
CuCl2 + H2S = CuS + 2HCl