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nvtayhsgxv
2 năm trước
tìm 8 chất rắn khác nhau thỏa mãn chất X và hoàn thành phương trình phản ứng hoác học trong sơ đồ phản ứng sau: X + H2SO4 -> Fe2(SO4)3 + SO2 + H2O giúp mik vs ạ
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