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thuydongda
2 năm trước
Cho 5,4 gam Al tác dụng với 200ml dung dịch h2SO4 b2M (loãng) thu được dung dịch B. Cho x ml sung dịch NaOH 1M bào B và khuấy đều. Với giá trị nào của x để kết tủa lớn nhất, để không có kết tủa?
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