文献中看到
"15mL of a 1 N HCl solution in HOAc"
"A 20mL aliquot of H2O was added"

这两句是什么意思？
1 N是代表什么？
aliquot 在这里什么意思？整除？

谢谢
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修改:babysitter FROM 59.77.25.*
FROM 59.77.25.*