. Which statement best explains the meaning of the phrase \"like dissolves like\

Question

. Which statement best explains the meaning of the phrase "like dissolves like"? A) A solvent will easily dissolve a solute of similar mass. B) A solvent and solute with similar intermolecular forces will readily form a solution. C) The only true solutions are formed when water dissolves a non-polar solute D) The only true solutions are formed when water dissolves a polar solute. E) None of these statements is correct 2. Consider the following four liquids: water: highly polar, H-bonding hexanol: slightly polar; some H-bonding chloroform: slightly polar, no H-bonding octane: non-polar, no H-bonding Which pair of liquids is immiscible? A) water and octane B) water and hexanol C) hexanol and chloroform D) chloroform and octane E) none of the above 3. The solubility of gases in liquids A) increases as temperature increases and increases as pressure increases. B) decreases as temperature increases and increases as pressure increases. C) decreases as temperature increases and decreases as D) increases as temperature increases and decreases as E) is independent of temperature and lncreases a pressure increases. pressure increases. pressure Increases 4. All of the statements about molarity are correct except A) the abbreviation is M B) the interpretation of the symbol is "moles of solute per mole of solvone C) moles molarity x volume. D) volume- E) the molarity of a dilhted solution is less than the solarity of the original soluricn 5, what is the % (wh) concentrtion of a solution containing 8.0 grams of aleobol in 50.o ml. of solution? A) 2.0% B) 40% C)8.0% D) 16% E)50% y dissolving 100 g of acetooe, Cahig0, in enough water to emale 125 ml. of solutios? 6. What A) 4.65 M B) 138 M C) 0.0465 M D) 0.0214 M E) 0.0123 M 7. Considering 1.0 M soluticas of each substance, which contains the largest coocestration of iens A) K2504 B) FeCl C) NaOH D) NH3 E)KC

Explanation / Answer

1) The geneal rule for solubility is "like dissolves like." This means polar solute dissolved in polar solvent or non-polar solute dissolved in non-polar solvent becuase they have similar intermolecular forces.

So, the correct option is B.

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