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(2x/2.00-x)=5√2=±5❌1.414=±7.07

2x=±7.07(2.00-x)

+7.07の場合
2x=7.07(2.00-x)
9.07x=14.14
x≒1.558
2x≒2❌1.558≒3.117≒3.12mol

-7.07の場合
2x=-7.07(2.00-x)
2x=-14.14+7.07x
5.07x=14.14
x≒2.788  こちらはダメ。2.00までしかないから。

より、3.12mol🙇

サザ

ありがとうございます👍

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