What does df, ds, and rf stand for in chemistry>
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Ответ:
DS is the degree of substitution value of a polymer, which is the number of substituent groups attached per base molecule.
Rf is the slowing factor, which is used in chromatography and is defined as the ratio of distance traveled by the solute to the distance traveled by solvent.
Ответ:
A,B,C
Explanation: