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Supi18
2 năm trước
Để pha chế được 12,07g dd CuSO4 bão hoà thì cần lấy bao nhiêu gam CuSO4.5H2O hoà vào bao nhiêu gam nước ? biết độ tan của CuSO4.5H2O ơn 20 độ C là 20,7g
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