Chemistry
Chemistry, 06.10.2021 14:00, mariagoldgames

Cho 12,8 gam hỗn hợp kim loại Mg và Cu tác dụng hoàn toàn với dung dịch HCl 7,3% được muối X, khí Y và chất rắn không tan. Sau phản ứng cho muối X tác dụng với dung dich NaOH lấy dư thì thu được 11,6 gam kết tủa. a)Tính % khối lượng mỗi kim loại.
b) Tính thể tích khí Y (đo ở đktc).
c) Tính khối lượng dung dịch HCl cần dùng.

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Cho 12,8 gam hỗn hợp kim loại Mg và Cu tác dụng hoàn toàn với dung dịch HCl 7,3% được muối X, khí Y...

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