1.

A binary solid, A^(+) B^(-) ( formula mass= 60) has aCsCl structure. The no. of unit cells present in 6 g ideal crystals of solid are

Answer»

`6.02xx10^(22)`
`6.02xx10^(23)`
`3.01xx10^(23)`
`3.01xx10^(22)`

Solution :NUMBER of formula UNITS in CSCL structure =1 In 60 G number of unit cells `=6.2xx10^(23)` In 6 g number of unit cells `=6.02xx10^(22)`


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