Gold crystallises in face centred cubic structure. If atomic mass of gold is 197 g mol-1, the mass of the unit cell of gold will be
A. 3.25 × 10-23 kg
B. 6.5 × 10-23 kg
C. 3.9 × 10-24 kg
D. 1.3 × 10-24 kg
Answer:D
Gold crystallises in face centred cubic structure. If atomic mass of gold is 197 g mol-1, the mass of the unit cell of gold will be
A. 3.25 × 10-23 kg B. 6.5 × 10-23 kg C. 3.9 × 10-24 kg D. 1.3 × 10-24 kg