How many molecules are in 65.45 moles of oxygen?

Explanation:

Number of molecules = Moles x Avogadro number

                                     = 65 x 6.022 x 10^23

                                      = 3.9 x 10^25

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

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