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

1 Answer

9 votes

Answer:

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

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