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ngo.anhlop9c
2 năm trước
cho 10.2 g Al2O3 hòa tan vừa đủ vào dung dịch HCL sau phản ứng thu được dung dịch A.Cho 160 g dung dịch NaOH 17,5 % vào dung dịch A sau khi phản ứng kết thúc thu được m(g) chất không tan.Tìm m(g) giúp mình với,hôm nào mình kiểm tra rồi
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