来自胡远忠的问题
配置一定物质的量浓度的溶液,配置一定物质的量浓度的溶液,为什么不能直接在容量瓶里溶解溶质?
配置一定物质的量浓度的溶液,
配置一定物质的量浓度的溶液,
为什么不能直接在容量瓶里溶解溶质?
1回答
2020-03-05 01:57
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饶冀
溶质的溶解都伴随着热量的变化,容量瓶作为精量器,使用温度有着严格的限制；不管它受冷还是受热,都会对真实容量会有很大的的影响,因此不能直接在容量瓶里溶解溶质.
2020-03-05 02:00:01
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