FeS H2SO4 → Fe2(SO4)3 SO2 H2O | FeS H2SO4 ra SO2.
FeS H2SO4 → Fe2(SO4)3 SO2 H2O | FeS H2SO4 ra SO2.
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Hệ số của phản ứng: FeS + H2SO4 đặc, nóng → Fe2(SO4)3 + SO2 + H2O là:
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Hòa tan hoàn toàn hỗn hợp FeS và FeCO3 bằng một lượng dung dịch H2SO4 đặc nóng thu được hỗn hợp gồm hai khí X, Y. Công thức hóa học của X, Y lần lượt là:
Hòa tan hoàn toàn hỗn hợp FeS và FeCO3 bằng một lượng dung dịc…
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