The boiling temperature of a cobalt (II) chloride solution is 100.5 ° C. Her density at 25 ° C is 1.235g / cm3 . Calculate the osmotic pressure of the solution at 25 ° C. [Keb = 0.515]

heat or electricity in the atmosphere- c.

answer; 4 electrons;

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".