Question

How many molecules are there in 1.43g of Cu(OH)2

Answer 1

9.033 x 10²¹ molecules

Step-by-step explanation:

Number of molecules :

• No. of moles of Cu(OH)₂ x Nₐ (Avogadro number)
• 1.43/97.56 x 6.022 x 10²³
• 0.015 x 6.022 x 10²³
• 0.09033 x 10²³
• 9.033 x 10²¹ molecules