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24-05-2022
Chemistry

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

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24-05-2022

Answer:

9.033 x 10²¹ molecules

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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