Avogadro’s constant

Mandarin:
阿伏伽德罗常数
Explanation in English Language (EN):
The number of entities (atoms, molecules, ions, etc.) in one mole of a substance, approximately 6.022 x 10<sup>23</sup> mol<sup>-1</sup>. It's a fundamental constant in chemistry and is used to relate the mass of a substance to the number of entities it contains.
Explanation in Mandarin (ZH):
一摩尔物质中所含实体(原子、分子、离子等)的数量,约为 6.022 x 10^23 mol^-1。它是化学中的基本常数,用于将物质的质量与其所含实体的数量联系起来。(yī mó ěr wù zhì zhōng suǒ hán shí tǐ (yuán zǐ, fēn zǐ, lí zǐ děng) de shù liàng, yuē wéi 6.022 x 10^23 mol^-1. tā shì huà xué zhōng de jī běn cháng shù, yòng yú jiāng wù zhì de zhì liàng yǔ qí suǒ hán shí tǐ de shù liàng lián xì qǐ lái.)
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