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The Mole Concept.
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片总数: 4 张•内容版本: v4•公开卡包•更新时间: 8/1/2026
卡片预览 (4 张)
#1
正面 (问题)
What is the Avogadro number or the Avogadro constant?
背面 (解答)
The number of atoms, ions or molecules is called the Avogadro number or the Avogadro constant.
#2
正面 (问题)
What is a mole?
背面 (解答)
A mole is the amount of substance that contains 6 x 10²³ atoms, ions, or molecules.
#3
正面 (问题)
What are the three ways you can calculate the number of moles?
背面 (解答)
Number of moles = mass of substance ÷ mass of one mole/Mr. Number of moles = Volume of gas in dm³ at r.t.p ÷ 24. Number of moles = concentration of solution (mol/dm³) x volume of solution (dm³).
#4
正面 (问题)
How do you convert the value from cm³ to dm³?
背面 (解答)
If the value is in cm³ divide by 1000 to get a value in dm³.