Chemistry, 20.08.2021 14:40 issagirl05

Cho hỗn hợp gồm 2 oxit, Na2O và FeO có khối lượng là 19,2 gam vào nước sau phản ứng thu được 1 dung dịch chứa 8 gam NaOH và 1 chất rắn a) tính khối lượng chất rắn
b) tính phần trăm theo khối lượng mỗi oxit hỗn hợp

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Cho hỗn hợp gồm 2 oxit, Na2O và FeO có khối lượng là 19,2 gam vào nước sau phản ứng thu được 1 dung...