最后,称重的仪器有多大的误差,有没有校验证书?
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我刚查了一下,10摄氏度下饱和食盐水35%,100度不过36%, 盐水不能比这更咸了
-移花接木-
♂
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09/05/2024 postreply
06:32:26
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还有一个自由度:压力。。。另外,题目里说的是“盐”,不是 “食盐”。碳酸氢钠也是盐,
-500miles-
♂
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09/05/2024 postreply
09:04:10
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你这是考研究员
-紫竹箫-
♀
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09/05/2024 postreply
08:27:42
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