nguyenvannamquynhtho nguyenvannamquynhtho

20-10-2022
Chemistry

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Cho 5.4 gam nhôm tác dụng hoàn toàn với Hcl dư sau phản ứng thu được m gam muối và v (lít) khí H2, ở đktc
A, Tính m và v
B, cùng lượng nhôm trên cho tác dụng với dung dịch nạo dư thì thể tích khí H2 ,ở đktc thu được bao nhiêu

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