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luhu1799
2 năm trước
đốt cháy hết hoàn toàn 3,36 lít khí metan ( CH4 ) trong không khí a) viết PTHH xảy ra ? b) xác định thể tích không khí cần dùng ? biết oxi chiếm 1/5 thể tích không khí. c) tính khối lượng kaliClorat cần dùng để điều chế được V khí oxi dùng cho phản ứng đốt cháy lượn khí metan trên ? d) tính khối lượng kaliClorat cần dùng để điều chết được V khí oxi dùng cho phản ứng đốt cháy lượng khí metan trên ? biết hiệu cuất phản ứng chỉ đạt 80%
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