Cho m gam hỗn hợp X gồm ZnO, CuO, ZnS và Cu2S (oxi chiếm 20% khối lượng) tan vừa đủ trong dung dịch H2SO4 và NaNO3, thu được dung dịch Y chứa 4m gam muối trung hòa và 0,840 lít (ở đktc) hỗn hợp khí gồm NO2, SO2 (không còn sản phẩm khử nào khác).
Cho m gam hỗn hợp X gồm ZnO, CuO, ZnS và Cu2S (oxi chiếm 20% khối lượng) tan vừa đủ trong dung dịch H2SO4 và NaNO3, thu được dung dịch Y chứa 4m gam muối trung hòa và 0,840 lít (ở đktc) hỗn hợp khí gồm NO2, SO2 (không còn sản phẩm khử nào khác).
May 21, 2023
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0.6 mole of Cu2S is roasted in excess of oxygen to yield Cu and... | Filo
0.6 mole of Cu2S is roasted in excess of oxygen to yield Cu and... | Filo
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