Ответ:
2CuS + 3O2 = 2CuO + 2SO2
CuO + H2SO4 = CuSO4 + H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4
NaSO4 + 2Cl2 = 2NaCl + SO4
NaCl + AgNO3 = NaNO3 + AgCl
NaNO3 = NaNO2 + O2
Объяснение:
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Ответ:
2CuS + 3O2 = 2CuO + 2SO2
CuO + H2SO4 = CuSO4 + H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4
NaSO4 + 2Cl2 = 2NaCl + SO4
NaCl + AgNO3 = NaNO3 + AgCl
NaNO3 = NaNO2 + O2
Объяснение: