最後,稱重的儀器有多大的誤差,有沒有校驗證書?
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我剛查了一下,10攝氏度下飽和食鹽水35%,100度不過36%, 鹽水不能比這更鹹了
-移花接木-
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09/05/2024 postreply
06:32:26
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還有一個自由度:壓力。。。另外,題目裏說的是“鹽”,不是 “食鹽”。碳酸氫鈉也是鹽,
-500miles-
♂
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09/05/2024 postreply
09:04:10
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你這是考研究員
-紫竹簫-
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09/05/2024 postreply
08:27:42
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