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【简答题】
甘油是一种非挥发性物质,易溶于水,若在250g 水中加入40.0g甘油,计算(1)20°C时溶液的蒸气压; (2) 溶液的沸点;(3) 溶液的凝固点。已知水20°C时饱和蒸气压2.34kPa
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