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["평균 분자량은 다양한 방법으로 계산되며 때로로 큰 차이가 난다."

2019-08-19View Original

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"예를 들어: 질량 m₁, m₂, 분자량 M₁, M₂ " "각 물질의 양 n₁ " nV₂ "로混合气体的平均分子量用不同的方式计算有时结果相差很多
Reply #22019-08-20
"比如:已经两种气种的质量m₁ " "m₂ 分 分子子M₁ " "M₂ �算出来各自物质的量n₁ " "n₂ 和 "求体积分数V₁ " "V₂ �求混合气体的平均分子量有两种方法: 1(m₁+m₂)/(n₁+n₂) 5. M₁*V₁+M₂*V₂ 这两种方法有些时候得出的结果有偏差 有时候用第一种方法得出来的结果比比比气体各自的分子量都大 � 这怎么回事?"
Reply #32019-08-20
"첫 번째 방법을 사용했지만 두 번째 알고리는 첫 번째와 같습니다. 因为体积分数也是根据摩尔量来换算的。 你说的偏差可能是分步计算省略了小数点造成的。 �另外 �于你说的比两个分子量都大的情况 " �从来没遇见过 除非你算错了 " 你拿一个例子看看."
Reply #42019-08-23
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