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1.計算 2.量取 3.溶解 4.変換 5.洗濯 6.発振 7.定容 8.よく振る 9.瓶詰め .
2mol/Lの塩酸をx、6mol/Lの塩酸をyとすると、(x+y=200.)(2x+6y=600)をx=150y=50と解ける。
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