Chemistry
Chemistry, 16.06.2021 17:30, kamryn69

Câu 2: Một hỗn hợp gồm Al và Cu có khối lượng 15g khi cho tác dụng với 219g dung dịch HCl thì thu 6,72 lít khí hiđro thóat ra ở đktc. a) Tính % khối lượng mỗi kim loại trong hỗn hợp.
b) Tính khối lượng của muối thu được sau phản ứng.
c) Tính nồng độ % của dung dịch HCl đã dùng.
d) Tính nồng độ % của muối trong dung dịch sau phản ứng.

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Câu 2: Một hỗn hợp gồm Al và Cu có khối lượng 15g khi cho tác dụng với 219g dung dịch HCl thì thu 6,...

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