Chemistry, asked by rajankavi4376, 1 year ago

difference of specific gravity and density

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Answered by divyagupta2
4
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DENSITY  is defined as amount of matter per unit volume. This means in a given space , how much mass or simply a matter occupy space. 
Density is expressed by the formula

ρ = m/V where

ρ is the density
m is the mass
V is the volume

SPECIFIC GRAVITY is a dimensionless quantity. It is the ratio of density of the substance to the density of reference ( water ,air,petrol.. depends on our choice) substance.

Specific gravity is also called relative density and is expressed by the formula:

Specific Gravitysubstance = ρsubstance/ρreference

The reference material could be anything, but the most common reference is pure water.

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