A general rule “Like dissolves like” is sometimes used to describe solubility. How can this rule be used to compare the solubilities of the following mixtures? a) Solubility of solid iodine in liquid water compared to the solubility of solid iodine in liquid toluene.
b) Solubility of solid sodium chloride in liquid water and in liquid toluene.

How many molecules are found in 1.32 mol of nacl?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?