36 . What would be the boiling point of a 100 gram water if 5 grams of AgNO3 was dissolved? a) 100.31 deg C b) 100.16 deg C c) 100.55 deg C d)
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36 . What would be the boiling point of a 100 gram water if 5 grams of AgNO3 wasdissolved?a) 100.31 deg C

b) 100.16 deg C

c) 100.55 deg C

d) 101.09deg C


37. How many grams of table salt was added to a 500g water if it was determined

that the resulting solution had a boiling point of 105.5 deg C?

a) 303.28 deg C

b) 86.42 deg C

c) 101.09 deg C

d) 151.64 deg C


38. If you plan to increase the boiling point of a certain solvent by 10 deg C which

would be the most efficient method?

a) Use water as your solvent

b) Use benzene as your solvent

c) Use carbon tetrachloride as your solvent

d) Use chloroform as your solvent


39. What is the cryoscopic constant if a 5 molal sucrose solution had a boiling point

elevation of 10 deg C?

a) 2 deg C/m

b) 1 deg C/m

c) 0.67 deg C/m

d) 0.5 deg C/m


40. Determine the freezing point if 10 grams of sucrose (C12H22O11) was dissolved in

100mL of water

a) -1.09 deg C

b) -0.89 deg C

c) -5.44 deg C

d) -0.54 deg C


41. The freezing point of a 10 molal aqueous solution was determined to be -55.8

degrees Celsius. The solute is most likely to be ________.

a) MgCl2

b) NaCl

c) AlCl3

d) None of these


42. What is the freezing point of a 0.10 molal ethanol solution if its solute was

determined to be a non-electrolyte?

a) -0.19 deg C

b) -0.37 deg C

c) -114.8 deg C

d) -115.0 deg C


43. Which of the following solutions will boil faster?

a) 0.10 molal ethanol solution whose solute is a non-electrolyte

b) 0.10 molal aqueous solution whose solute is a non-electrolyte

c) 0.10 molal carbon tetrachloride solution whose solute is a non-electrolyte

d) 0.10 molal chloroform solution whose solute is a non-electrolyte


44. Which of the following solutions will have the lowest freezing point?

a) 0.10 molal ethanol solution whose solute is a non-electrolyte

b) 0.10 molal aqueous solution whose solute is a non-electrolyte

c) 0.10 molal carbon tetrachloride solution whose solute is a non-electrolyte

d) 0.10 molal chloroform solution whose solute is a non-electrolyte


45. What will be the freezing point of the resulting solution if a non-electrolyte solution

was dissolved in a chloroform solvent resulting to a 0.15 molal solution?

a) -0.25 deg C

b) -64.20 deg C

c) -0.28 deg C

d) -6423 deg C


46. Determine the boiling point of a 15%w/w aqueous sodium chloride solution?

a) 101.31 deg C

b) 102.62 deg C

c) 103.08 deg C

d) 101.54 deg C

47. Determine the freezing point of a 15%w/w aqueous sodium chloride solution?

a) -4.77 deg C

b) -9.55 deg C

c) -5.62 deg C

d) -11.23 deg C


48. Determine the boiling point of a 50%w/w aqueous Ca(NO3)2 solution.

a) 103.11 deg C

b) 106.22 deg C

c) 109.33 deg C

d) 112.44 deg C


49. Determine the freezing point of a 50%w/w aqueous Ca(NO3)2 solution

a) -11.34 deg C

b) -22.68 deg C

c) -34.02 deg C

d) -45.37 deg C


50. Which is the odd one out in terms of boiling point elevation and freezing point

depression?

a) NaCl

b) HCl

c) MgSO4

d) MgCl2


51. A 5mL solution has a mass/volume percent of 95%. What is the amount of solute

that is dissolved?

a) 4.75 g

b) 47.5 g

c) 5 g

d) 40.75 g

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