14. Solutions
Boiling Point Elevation
- Multiple ChoiceWhich of the following aqueous solutions has the lowest boiling point?14views
- Multiple ChoiceWhich of the following solutions has the higher boiling point?21views
- Multiple ChoiceWhich statement best helps to explain the observation that water boils at 100~^ext{o}C, whereas a 1~ext{molal} aqueous solution of NaCl boils at a higher temperature?15views
- Multiple ChoiceWhich of the following aqueous solutions would you expect to have the highest boiling point?39views
- Multiple ChoiceWhat mass in grams of NaCl would need to be added to 2951 g of water to increase the boiling temperature of the solution by 1.500°C? (Kb for water is 0.5100°C/m)274views
- Multiple ChoiceWhich of the following compounds has the lowest boiling point?30views
- Multiple Choice
What is the molality of glucose in an aqueous solution if the boiling point of the solution is 103.15°C?
1514views - Multiple ChoiceArrange the following compounds in order from highest boiling point to lowest boiling point: NaCl, H2O, CH3OH, CH4.16views
- Multiple ChoiceWhich of the following solutes, when dissolved in equal molal amounts in water, will raise the boiling point of water the most?28views
- Multiple ChoiceWhich of the following best describes the effect of adding a nonvolatile solute to a solvent on the boiling point of the solution?27views
- Multiple Choice
An ethylene glycol solution contains 25.2 g of ethylene glycol (C2H6O2) in 99.5 mL of water. Determine the change in boiling point. Assume a density of 1.00 g/mL for water.
1831views1rank - Multiple Choice
Pure water boils at 100°C. What is the new boiling point of water after the addition of 13.12 g aluminum chloride, AlCl3, to 615 g water?
2426views5rank - Multiple Choice
Carbon dioxide is dissolved in 722 mL of benzene with a density of 1.59 g/mL. What mass of carbon dioxide would you add to make the boiling point of the solution 104.7°C? (BP of benzene = 80.1 °C)
1247views4rank4comments - Multiple ChoiceCalculate ΔTb for a solution that is prepared by dissolving 2.50 g Ca(NO3)2 in 2.00 L of water. Assume that the density of water = 1.00 g/mL and that ;Kb for water is 0.512 °C /m721views
- Open Question
Determine the boiling point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 722 mL of benzene (d = 0.877 g/ml). Pure benzene has a boiling point of 80.1°C and a boiling point elevation constant of 2.53°C/m.
831views