Question

A pure sample of an element 'E' is cut by knife intoperfect cubes. If 7.5 x 1022 atoms are present in one such cube and 'a' is edge length of cube in cm, then what will be the value of a6 (in cm)? [Given : Atomic mass of E = 32, Na = 6 *1023 Density of element = 4/3 g/cm3 ]​

Answer 1

Answer:

A pure sample of an element ‘E’ is cut by knife into perfect cubes. If 7.5 x 1022 atoms are present in one such cube and ‘a’ is edge length of cube in cm, then what will be the value of a6 (in cm6)? [Given : Atomic mass of E = 32, N= 6 x , Density of element = 4/3 g/c ]

(a) 9 (b) 4 (c) 16 (d) 25