Question

how many molecules bof water are there in 54g ofH2O​

Answer 1

Answer:

1.8×1024 water molecules

Explanation:

The molar mass of water is 18 g/mol. The mass of water is 54 g. The number of moles of water =18g/mol54g=3mol.

Hope this can help you

Answer 2

Explanation:

molecular mass of H2o is 18 g

now,

18g of H20 contain 6.023×10^23 molecules

54g of H2O contain = 6.023×10^23×54/18=1.8×10^24