What is meant by relative density of a substance? The relative density of mercury is 13.6. What is its density in SI units? Given that the density of water is 1000 kg/m3.
Relative density is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.
The density of mercury in SI units will be 13.6 x 103 kg/m3
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