# NEET Chemistry The Solid State Questions Solved

The density of KCl is 1.9893 g cm-3 and the length of a side unit cell is 6.29082 Å as determined by X-rays diffraction. The value of Avogadro’s number calculated from these data is:-

(a) 6.017 x 1023

(b) 6.023 x 1023

(c) 6.03 x 1023

(d) 6.017 x 1019

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