V2EX molar mass

Molar Mass

释义 Definition

molar mass摩尔质量;指每一摩尔(1 mol)物质的质量,常用单位为 g/mol(或在 SI 中用 kg/mol)。常用于把“物质的量(mol)”与“质量(g 或 kg)”互相换算。

发音 Pronunciation (IPA)

/molr ms/

例句 Examples

The molar mass of water is about 18 g/mol.
水的摩尔质量约为 18 g/mol。

To determine the amount of CO produced, we convert the measured mass to moles using CO’s molar mass and then apply the reaction stoichiometry.
为确定生成的二氧化碳的物质的量,我们用二氧化碳的摩尔质量把测得的质量换算成摩尔数,然后再应用反应的化学计量关系。

词源 Etymology

molar 来自 mole(摩尔),表示“与摩尔有关的”;mass 意为“质量”。合在一起,molar mass 就是“按每摩尔计的质量”。该术语在化学计量、溶液配制与化学分析等语境中极常见。

相关词 Related Words

文学与典籍 Literary Works

  • Atkins’ Physical Chemistry(《阿特金斯物理化学》):在物质的量、相对分子质量与实验计算章节中频繁使用 molar mass
  • Chemistry: The Central Science(Brown, LeMay 等,《化学:中心科学》):在化学计量、气体与溶液计算中大量出现 molar mass
  • IUPAC Compendium of Chemical Terminology(“Gold Book”,《国际纯粹与应用化学联合会术语汇编》):收录并规范 molar mass 的定义与单位表达。
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