Please help with #10 10. Which occurs to an I. The vapor pressure lowers. aqueou

Question

Please help with #10 10. Which occurs to an I. The vapor pressure lowers. aqueous solution II. The boiling point lowers. from the addition of LIII. The freezing point lowers. electrolytes? (B) I and III (A) I and II (D) I, II and III (C) II and III 11. When soap is added to water, the soap molecules (A) are solvated by water and dispersed throughout the solution. (B) form micelles with the hydrophilic heads facing inward. (C) form micelles with the hydrophobic tails facing the hydrophilic heads. inward. 12. Calculate the molarity of a hydrochloric acid solution that is 26.4% by mass and has a density of 1.19 g mL 1. (A) 0.116 M (B) 0.124 M (C) 8.62 M 13. According to Henry's Law, which graph accurately represents the effect of pressure of carbon dioxide on the solubility of gaseous carbon dioxide in liquid carbon tetrachloride? 16. 18.

Explanation / Answer

10. when an electrolyte is added to the aqueous solution , the number of solute particles are increses. Hence the vapour pressure and freezing point are lowers.

so the answer is B.

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