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lehuonggiang2206
2 năm trước
Cho hỗn hợp (Al và Mg) tác dụng với HCl thu được 0,4 mol khí H2↑, cùng một lượng hỗn hợp trên cho tác dụng với dung dịch NaOH thu được 6,72 lít khí H2↑ (ở điều kiện chuẩn). a. Viết phương trình phản ứng xảy ra. b. Tính mAl = ? Và mMg = ? Cho biết nguyên tử lượng Al = 27; Mg = 24; H = 1; Cl = 35,5; O = 16.
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