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阿Q吧 > 葡萄糖（C6H12O6）、醋酸（CH3COOH）组成的混合物240g，在一定条件下都能被完全氧化生成二氧化碳和水，最

葡萄糖（C6H12O6）、醋酸（CH3COOH）组成的混合物240g，在一定条件下都能被完全氧化生成二氧化碳和水，最

2025-03-26 11:33:38

推荐回答（1个）

回答1：

葡萄糖C₆H₁₂O₆、醋酸CH₃COOH两种物质中H元素质量分数相等，均约为6.67%，故混合物中H元素的质量分数为6.67%，
两种物质完全燃烧生成水的质量=

240g×6.67%

1×2

18

×100%

=144g
故选C．

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