For a complete list of videos, visit our video library

- To make a 2.00 mol kg-1 solution, one could take 2.00 moles of solute and add
- How many grams of KBr are required to make 350. mL of a 0.115 mol L-1 KBr solution?
- What volume of 3.00 mol L-1 CH3OH solution is needed to provide 0.220 mol of CH3OH?
- The Henry's law constant for helium gas in water at 30 C is 3.70 10-4 mol L-1 bar-1. When the ...
- Identify the classification of whipped cream.
- Identify the classification of milk.
- Solutions having osmotic pressures less than those of body fluids are called ________.
- The boiling point of an aqueous 1.83 mol kg-1 (NH4)2SO4 (molar mass = 132.15 g mol-1) solution is ...
- Choose the aqueous solution below with the lowest freezing point. These are all solutions of ...
- Choose the aqueous solution with the lowest vapour pressure. These are all solutions of nonvolatile ...
- Choose the aqueous solution that has the highest boiling point. These are all solutions of ...
- A solution of methanol and water has a vapour pressure of 213 Torr. What would you predict as the ...
- A mixture of pentane and hexane has a vapour pressure of 241 Torr. Calculate the mole fraction of ...
- Pentane (C5H12) is mixed with 75.8 g hexane (C6H14). Calculate the vapour pressure of the resulting ...
- Twice as much pentane (C5H12) is mixed with hexane (C6H14) by mass. Calculate the vapour pressure of ...
- Identify the solute with the lowest van't Hoff factor.
- Calculate the solution temperature required to produce an osmotic pressure of 1.18 mbar using 3.72 ...
- Calculate the total solution volume required to produce an osmotic pressure of 6.39 mbar using 12.34 ...
- A nonelectrolyte compound with a molar mass of 862 g mol-1 was dissolved in enough water to make 100 ...
- A 125.0 mL sample of an aqueous solution at 25 C contains 29.4 mg of an unknown nonelectrolyte ...
- A compound is found to have a molar mass of 190 g mol-1. If 0.0673 g of the compound is dissolved in ...
- Place the following solutions in order of increasing osmotic pressure.I.0.15 mol L-1 C2H6O2II.0.15 ...
- Give the reason that antifreeze is added to a car radiator.
- The boiling point elevation of an aqueous sucrose solution is found to be 0.39 C. What mass of ...
- Choose the solvent below that would show the greatest boiling point elevation when used to make a ...
- Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = ...
- Determine the vapour pressure of a solution at 55 C that contains 34.2 g NaCl in 375 mL of water. ...
- An unknown nonelectrolyte and nonvolatile compound is dissolved in enough pure water to make 348 mL ...
- Calculate the mass of lactose, C12H22O11, contained in 500.0 mL of solution if the measured vapour ...
- Calculate the volume of solution that has a vapour pressure of 31.27 mbar and contains 84.3 g of ...
- Determine the vapour pressure of a solution at 25 C that contains 76.6 g of glucose (C6H12O6) in ...
- A solution is 0.0433 mol kg-1 LiF. What is the molarity of the solution if the density is 1.10 g mL-1?
- What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in ...
- A 1.00 L sample of water contains 0.0036 g of Cl ions. Determine the concentration of chloride ions ...
- Calculate the mole fraction of total ions in an aqueous solution prepared by dissolving 0.400 moles ...
- A solution is prepared by dissolving 38.6 g sucrose (C12H22O11) in 495 g of water. Determine the ...
- What mass of CuCl2 is contained in 75.85 g of a 22.4% by mass solution of CuCl2 in water?
- A solution is prepared by dissolving 98.6 g of NaCl in enough water to form 875 mL of solution. ...
- Determine the molality of an aqueous solution prepared by dissolving 0.112 moles of LiCl in 13.7 moles of H2O.
- Calculate the molality of a solution that is prepared by mixing 25.5 mL of CH3OH (d = 0.792 g mL-1) ...