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nhattruong8996
2 năm trước
Hỗn hợp X gồm H2, C2H4 và C3H6 có tỉ khối đối với H2 là 9,25. Cho 22,4 lít X (đktc) vào bình kín có chứa một ít bột Ni. Đun nóng bình một thời gian, thu được hỗn hợp khí Y có tỉ khối so với H2 bằng 10. Tính số mol H2 đã phản ứng.
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