Chemistry, 15.06.2021 14:00 duhitzmay9395

200ml dd HCL có nồng độ 3,5M hòa tan vừa hết 20g hỗn hợp hai oxit cho và Fe2O3. a) Viết phương trình

b) Tính khối lượng của mỗi oxit có trong hỗn hợp ban đầu.

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200ml dd HCL có nồng độ 3,5M hòa tan vừa hết 20g hỗn hợp hai oxit cho và Fe2O3. a) Viết phương trìn...