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物质的量浓度

> 某10%的NaOH溶液，加热蒸发掉100克水后得到80mL20%的溶液，在此过程中，无NaOH析出，则该20%的NaOH溶液的物质的量浓度为（　　） A．6.25mol/L B．7mol/L C．7.5mol/L D．12.5mol/L

问题：

发布时间：2024-09-08

某10%的NaOH溶液，加热蒸发掉100克水后得到80mL20%的溶液，在此过程中，无NaOH析出，则该20%的NaOH溶液的物质的量浓度为（　　）

A．6.25mol/L B．7mol/L C．7.5mol/L D．12.5mol/L

参考答案：

提问用户：2J***PGD

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某10%的NaOH溶液，加热蒸发掉100克水后得到80mL20%的溶液，在此过程中，无NaOH析出，则该20%的NaOH溶液的物质的量浓度为（ ） A．6.25mol/L B．7mol/L C．7.5mol/L D．12.5mol/L

可能感兴趣的题目：

某10%的NaOH溶液，加热蒸发掉100克水后得到80mL20%的溶液，在此过程中，无NaOH析出，则该20%的NaOH溶液的物质的量浓度为（　　）

A．6.25mol/L B．7mol/L C．7.5mol/L D．12.5mol/L