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窒素、酸素、水蒸気の体積比をどのように計算するか

2019-07-17View Original

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80度の飽和蒸気で、窒素、酸素、水蒸気の体積比をどのように計算するか?
Reply #22019-07-17
問題が曖昧で、条件も不十分です。何をしたいのかわかりません
Reply #32019-07-17
80度の飽和空気では、水蒸気の分圧は0.047359Mpaで、大気圧は0.101mpaです。圧力比はモル比に等しいため、現在の飽和空気の体積の46%を水蒸気が占めると仮定します。この場合の窒素と酸素の体積割合が知りたいのです
Reply #42019-07-17
空気中の窒素と酸素の元の体積比は79:21です。現在、水蒸気が46%を占めているので、窒素は=(1-0.46)*0.79*100%=43%、酸素は=(1-0.46)*0.21*100%=11%ですよね?

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