Question

Answer this question correctly plzz

Answer 1

Answer:

1.5 ×10^21

Explanation:

• Molecular mass of (ZnS) => 65.4+ 32 = 97.4
• No. of Zns per unit cell =4
• No. of unit cell in 0.97 g ZnS is
• 0.97/97.4× 6.022×10^3/4= 1.5×10^21