Question

Define density. What is the SI unit of density?
The density of turpentine is 840 Kg/m3, what
will be its relative density if the
density of water is 1000
Kg/m3?​

Answer 1

1. The density of a substance is defined as mass of the substance per unit     volume.

$Density of substance = \frac{mass of substance}{volume of substance} ​$

   SI unit of density is kg/m³

2. Relative density of a substance is the ratio of its density to that of water.

$Relative density of substance = \frac{Density of substance}{Density of water}$

​  

  Relative density of a substance is the ratio of its density to that of water.

3. Density of turpentine = 840kg/m³

   Density of water = 1000kg/m³

   Relative density of substance = $\frac{1000}{840} =0.84$  

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