Question

Calculate the mass of 1.51x10^23 molecules of water

Answer 1

Answer:

1.51*10^23

1.51*41426511213649

=62554031932609

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Answer 2

4.51g

Explanation:

1 mole of water(H2O) contains 18g of mass.

18g of water contains 6.022x10^23 molecules.

Then xg contains 1.51x10^23 molecules.

That implies x=4.51g

1.51x10^23 molecules contains 4.51g of water