How many moles of gold (Au) are in a 400.0 gram sample of gold?

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.

the answer is c

tell me if wrong

the answer is a for sure mark brainliest i had got this right on usatestprep

answer///carbon;