実じっ験けん式しき

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Meanings

1

empirical formula

Chemistry term for a formula showing the simplest whole-number ratio of atoms in a compound, determined by experiment.

実じっ験けん式しきから分ぶん子し式しきを求もとめるには分ぶん子し量りょうが必ひつ要ようだ。

To determine the molecular formula from the empirical formula, the molecular weight is needed.