Cho 24,12 gam hỗn hợp X gồm CuO, Fe2O3, Al2O3 tác dụng vừa đủ với 350ml dd HNO3 4M rồi đun đến khan dung dịch sau phản ứng thì thu được m gam hỗn hợp muối khan. Tính m: - Ngọc Trinh
Cho 24,12 gam hỗn hợp X gồm CuO, Fe2O3, Al2O3 tác dụng vừa đủ vớ…
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Complete and Balance the Equation: Cuo(Heated) Nh3 → - Chemistry | Shaalaa.com
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Cho 60 gam hỗn hợp Cu và CuO tan hết trong dung dịch HNO3 loãng dư thu được 13,44 lit khí NO (đkc, sản phẩm khử duy nhất).
Cho 60 gam hỗn hợp Cu và CuO tan hết trong dung dịch HNO3 loãng d…
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Cho các phản ứng sau1. NaSO3 KMnSO4 H2SO42. NaCl (rắn) H2SO4 (đặc)3. CuO HNO3 (đặc)
Cho các phản ứng sau1. NaSO3 KMnSO4 H2SO42. NaCl (rắn) H2S…
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