Answer Happy

Question 4 - What is the mole fraction of 1,4-dichlorobenzene in this solution? Give your answer to two significant figures and include the proper units. Question 5-Suppose the room temperature solution is cooled down to -25°C. Would you expect the concentration of 1,4-dichlorobenzene in mass percent to be smaller, the same or larger, Question 6 - What will the effect of the temperature change be on the molarity - will it be smaller, the same or larger? Question 7- What will the effect of the temperature change be on the molality-will it be smaller, the same or larger? Question 8- What will the effect of the temperature change be on the mole fraction-will it be smaller, the same or larger?