高一化学必须修读一第1课时第二节第五课时溶液配制与误差剖析.ppt

人教版 化学必修1 第一章 从实验学化学 第2节 化学计量在实验中的应用 汕头澄海实验高级中学 许佳梓 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1、1LNaOH溶液里含有O. 5molNaOH，则氢氧化钠溶液的物质的量浓度为（ ） 2、2mol/L的NaCl溶液1000ml，含溶质NaCl的质量为（ ） 117g 0.5mol/L 有关物质的量浓度的简单计算 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 六、实验室配制一定物质的量浓度的溶液 配制方法： 直接使用固体溶解或稀释浓度高的溶液试剂来配制一定物质的量浓度的溶液。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3. 使用范围：用来配制一定体积浓度 准确的溶液 （容量瓶是量器不是容器） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ①使用前要检查是否漏水（检漏） ②溶解或稀释的操作不能在容量瓶中进行 ③不能长期存放溶液或进行化学反应 4. 注意事项： ④容量瓶使用完毕，应洗净、晾干。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 课本P16 实验1-5 1、实验目的 配制100mL物质的量浓度为1.00mol/L的NaCl溶液 2、实验仪器 100mL容量瓶、托盘天平、量筒、烧杯、 玻璃棒、胶头滴管 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3、实验药品 固体NaCl 4、实验步骤 计算 → 称量→ 溶解 →移液→定容→装瓶贴标签 Evaluation only.