Bài 10. Cho 4,05 gam nhôm tan hoàn toàn vào dung dịch axit clohiđric. a. Tính khối lượng muối tạo thành và thể tích khí H2 sinh ra (đktc)? b. Cho toàn bộ lượng khí H2 sinh ra ở trên tác dụng với 66,9 gam PbO. Tính khối lượng chất rắn thu được sau phản ứng? giúp mik với ạ

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