Chemistry, asked by hydenpaulhyden8338, 1 year ago

Calculate the no.of water molecules in 90g molecule of h2o

Answers

Answered by siril
3
1 mole of water (18 grams) contain Avogadro number of molecules.

Number of moles in 90 grams = 90/18
= 5

5 moles of H2O contains 5 x Avogadro number of molecules.

That is. 5 x 6 x 10^23 = 3 x 10^24

Therefore 90 grams of water contains 3 x 10^24 molecules of water.
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