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为什么量筒的洗涤液倒入容量瓶中溶质会增大

2025-03-28 14:46:20

推荐回答（2个）

回答1：

量筒是不用洗涤的,因为量筒的底部设计的就是考虑到在量取液体时肯定倒不尽的情况,所以最下面的刻度稍大些,如果在倒出液体后再洗涤量筒那么本不该算进去的液体也被倒进去了,所以最终的浓度会偏大。

回答2：

正确答案是：在配置一定物质的量浓度的溶液时，若将量取液态溶质的量筒用水洗涤，洗涤液倒入容量瓶，则所配溶液的浓度（偏高）理由：量筒不能洗涤，若将量筒的洗涤液倒入容量瓶，会导致溶质的物质的量偏多，则所配制溶液的浓度偏高，

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