Solubility

Which of the following operations yields the number of moles of solute?

• molarity x mass of solution

• moles of solution / volume of solution

• molarity x moles of solution

• molarity x liters of solution

In which of the following is the solution concentration expressed in terms of molarity?

• 
• 
• 
• 

Which of the following is not a trait of solutions?

• solutions are homogenous

• the physical state of the solution is the same as the solvent

• the physical state of the solution is the same as the solute

• the dissolved solute will not settle

Which of the following is milk an example of?

• solid dispersed in gas

• liquid dispersed in a solid

• liquid dispersed in liquid

• solid dispersed in a liquid

What is the molality of a solution containing 8.0 grams of solute in 0.50 kg of solvent? (molar mass of solute = 24 g)

• 0.67m

• 1.67m

• 0.17m

• 4m

Which of the following occurs as temperature increases?

• Solubility remains the same.

• Molarity doubles

• Solubility increases

• Solubility decreases .

The Tyndall effect is seen

• in pop

• in space

• in Europe

• in spotlights at night

Which IMF releases energy when attractions are made (exothermic reaction)

• none of the above

• solvent-solute

• solven-solvnet

• solute-solute

What is the number of moles of solute in 250 mL of a 0.4M solution?

• 0.62 mol

• 0.16 mol

• 1.6 mol

• 0.1 mol

The molality of a solution containing 8.1 moles of solute in 4847 g of solvent is ____.

• 1.7m

• 0.17m

• 598m

• 39m