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笔者认为贵刊1998年第6期发表的《有机物分子式求法琐议》一文中，例7的部分结论是错误的．现就其部分结论与陈老师商榷，兼谈化学计算题中的“增根”及其“检验”．原题及解法如下：例7．10mL某气态烃，在50mLO2里燃烧，得到液态水和体积为35mL的混合气体（所有气体体积都是在
In the author’s opinion, in the article “The Formulation of Organic Formulas and Trivia” published in the 6th issue of your magazine in 1998, some of the conclusions of Example 7 are wrong. Now we discuss some of its conclusions with Professor Chen, and talk about “increasing the root” and “testing” in the chemistry calculation. The original problem and solution are as follows: Example 7. A 10 mL of a gaseous hydrocarbon is burned in 50 mLo2 to obtain liquid water and a mixture of 35 mL gas (all gas volumes are