By X-ray diffraction it is found tht nickel `("at mass"=59g "mol"^(-1))`, crystakkuzes with ccp. The edge length of the unit cell is `3.5 Å`. If density of Ni crystal is `9.0g//cm^(3)`, then value of Avogadro's number from the data is:
A
`6.05 xx 10^(23)`
B
`6.11 xx 10^(23)`
C
`6.02 xx 10^(23)`
D
`6.023 xx 10^(23)`
Text Solution
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The correct Answer is:
B
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