An atomic substance A of molar mass 12 g mol–1 has a cubic crystal structure with edge length of 300 pm. The no. of atoms present in one unit cell of A is _________. (Nearest integer) Given the densit

Question

An atomic substance A of molar mass 12 g mol–1 has a cubic crystal structure with edge length of 300 pm. The no. of atoms present in one unit cell of A is _________. (Nearest integer) Given the density of A is 3.0 g mL–1 and NA. = 6.02 × 1023 mol–1

Prashant Kotian · Accepted Answer

Correct answer: .. d =         A a N M Z 3 = 8 ) 3 ( 6 Z      Z = 4

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