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CBSE Class 11-science Answered

what is density

 

Asked by rahul020619999 | 26 Apr, 2014, 07:37: PM
answered-by-expert Expert Answer
It is the ratio of mass and volume of a substance.
Density = Mass/volume
 
Its SI unit is kgm3.
 
Density of a crystalline solid = n.A / N.V
Here, n = number of atoms in a unit cell
N = Avagadro's number
A = Atomic weight
V = Volume of unit cell
 
Answered by | 26 Apr, 2014, 11:37: PM
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