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初三化学燃烧综合测试题(八)

2015-03-13 21:39:19中考网编辑整合

18.天然气的主要成分是甲烷(CH4),它是一种“清洁能源”。甲烷在空气中完全燃烧生成二氧化碳和水,燃烧32g甲烷,可释放多少克二氧化碳?

                                                 

                                                                                                               

                                                                                                        

                                                                                                                                                                                                          

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