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silver forms ccp lattice and X-ray studies of its crystal show that the edge length of its unit cell is 408.9pm. calculate the density of silver .9atomic wt=107.9u)

silver forms ccp lattice and X-ray studies of its crystal show that the edge length of its unit cell is 408.9pm. calculate the density of silver .9atomic wt=107.9u)

Grade:12

1 Answers

Khimraj
3007 Points
5 years ago
Silver forms ccp therefore the number of Silver atoms per unit cell ,z = 4
 
 Molar mass of Silver ,M=107.9 g/mol = 107.9x10-3 kg/mol
 
Edge length of unit cell ,a=408.6 pm = 408.6x10-12m
Density d = z*M/a3*NA = 10.5 g/cm3
Hope it clears.......................

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