最後,稱重的儀器有多大的誤差,有沒有校驗證書?
• 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- ♂ (0 bytes) () 09/05/2024 postreply 06:32:26
• 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- ♂ (149 bytes) () 09/05/2024 postreply 09:04:10
• 你這是考研究員 -紫竹簫- ♀ (0 bytes) () 09/05/2024 postreply 08:27:42
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