Question

-The number of H2O molecules in a drop of water weighing 0.018g :

Answer 1

Answer:

6.022*10^20

Explanation:

1 mole of water = 18g

6.022*10^23 molecules = 18g

x= 0.018 = 18*10^-3

x = 6.022*10^20

Answer 2

Answer:

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