Question

deduce the number of molecules in 90 g of water​

Answer 1

Explanation:

90 g of water

Number of molecules in water =

Mass of water in glass / Molecules masses of water.

90/18 = 5 molecules

5 molecules of H2O contain = 5×6.002 × 10 to the power 23.

molecules=30.11 ×10 to the power 23 molecules. this is your answer

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