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azumi.stacy
2 năm trước
tính khối lượng muối Canxi cacbonat có trong 150g đá vôi? Biết rằng loại đá vôi trên có 30% tạp chất. CÁC BẠN ƠI GIÚP MÌNH BÀI NÀY VỚI MÌNH CẢM ƠN TRƯỚC NHAAA
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