Last Updated：2025/11/28

(chemistry) The fractional proportion of a substance in a mixture, by weight/mass.

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mass fraction

Source Word

mass fraction

Noun

(chemistry) The fractional proportion of a substance in a mixture, by weight/mass.

Japanese Meaning

質量分率：混合物中の各成分が全体の質量（または重量）に占める割合。

The mass fraction of sodium chloride in the solution was determined to be 0.15.

溶液中の塩化ナトリウムの質量分率は0.15と測定された。

Sense（1）

(chemistry) The fractional proportion of a substance in a mixture, by weight/mass.

mass fractions

（ plural ）