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12.12.2021 •
Chemistry
Cho 4,56 gam hỗn hợp bột X gồm Zn, Fe và dung dịch chứa CuSO4, sau một thời gian thu được 4,6 gam chất rắn Y. Cho Y vào dung dịch HCl dư thấy còn lại 3,2 gam chất rắn chưa tan và dung dịch có chứa một muối. Phần trăm khối lượng của Zn trong hỗn hợp X là?
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Ответ:
được 4,6 gam chất rắn Y. Cho Y vào dung dịch HCl dư thấy còn lại 3,2 gam chất rắn chưa tan và dung dịch có chứa một muối. Phần trăm khối lượng của Zn trong hỗn hợp X là
Ответ:
11
Explanation:
11 significant figures