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khueyennguyen2020
2 năm trước
1,Cho các hỗn hợp mỗi hỗn hợp gồm 2 chất Là Ba và al,na và mgso4 ,nahso3 và khso4 Cho hỗn hợp vào nước dư Nêu hiện tượng và viết pthh xảy ra 2,Viết pthh biểu diễn biến hoá sau Al-)Al2(SO4)3-)Al(oh)3-)al2o3-)NaAlo2 Giúp mình nhanh vs nha
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