How does the concept of conservation of mass apply to chemical reactions?a. The reactants and products have exactly the same atoms. b. The reactants and products have exactly the same molecules. c. The change in the amount of matter is equal to the change in energy. d. The change in the amount of matter is only a small percentage of the total mass.

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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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