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mol

/moʊl/

翻译: 化学中表示物质的量的基本单位,指以克为单位表示的分子质量;是国际单位制中物质的量的基本单位。

1 个条目

noun

B2formalcommonscientific/moʊl/

A unit in chemistry that represents the amount of a substance, specifically the molecular weight expressed in grams; it is the base unit for amount of substance in the International System of Units.

  • 🇨🇳化学中表示物质的量的基本单位,指以克为单位表示的分子质量;是国际单位制中物质的量的基本单位。
  1. Unit of amount of substance B2 formal scientific

    The SI base unit for measuring the amount of a substance, equal to the number of atoms in 12 grams of carbon-12 (approximately 6.022×10²³ elementary entities).

    • A mole of water contains about 6.02×10²³ molecules.
    • Chemists often work with concentrations expressed in moles per liter.
    • The mass of one mole of carbon is 12.01 grams.

    🇨🇳摩尔

    同义词: mole