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AAT Bioquest

What are the differences between concentration and density?

Posted December 15, 2022


Answer

Basis of differentiation

Concentration

Density

Definition

Concentration is the ratio between amount and volume of a substance

Density is the ratio between mass and volume of a substance

Dependent factors

Concentration depends on the amount of matter and what compound is present

Density depends on the amount of matter within a given volume

Nature of property

Is always a homogenous property

Can be homogenous or heterogenous depending on the compound

Substance

Can define concentration for a solution

Can define density for all three phases of matter

Units

SI unit is mol/m3

SI unit is kg/m³

Additional resources

Concentration and Content

Volume (Metric, Imperial) Conversion Table

Protein Concentration Calculator

DNA Concentration Calculator