Determine the amount of substance and the mass of zinc and hydrochloric acid required to obtain hydrogen with the amount of substance of 0.5 mol: Zn + 2HCl = ZnCl₂ + H₂

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.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

the answer is b. dilution