"empirical formula"^^ . "a chemical formula showing the ratio of elements in a compound rather than the total number of atoms"@en-us . . . "106398583"@en-us . "0.125"^^ . . . . "105106235"@en-us . . "empirical formula"@en-us . "06817459-n"^^ . . "106817459"^^ . "0.125"^^ . . .