Quiz 6: Solutions

The label on a jar of jam says it contains 13 g of sucrose per tablespoon (15 mL).What is the molarity of sucrose in the jam? [Molar mass: sucrose,342.3 g/mol]

An unopened soda bottle at 25°C contains CO₂ gas at 6.2 atm.Calculate the equilibrium concentration of CO₂ in the unopened soda bottle.[ = 3.1 × 10^-2 mol/(L•atm)]

What is the boiling point of a 1.5 m solution of NaCl? [k_b = 0.52°C/m]

Cardiac arrest victims are sometimes treated by injection of a calcium chloride solution directly into the heart muscle.If 2.0 mL of a 5.0% (m/V)CaCl₂ solution is administered to a patient,what mass of CaCl₂ was provided?

A solution in equilibrium with undissolved solute is said to be unsaturated.

A chemist needs 0.725 moles of acetic acid for a particular reaction.What volume of a 1.50 M acetic acid solution is needed to provide this amount?

If a solvent is colorless,all of its true solutions will also be colorless.

Which statement is FALSE?

The solubility of KBr at 20°C is 60 g/100 g H₂O.Increasing the temperature of the solution will likely increase the solubility of KBr.

Which statement concerning solutions is FALSE?

Which statement concerning solution concentration is TRUE?

What is the molarity of a solution prepared by diluting 10.0 mL of 18.0 M HCl with enough water to make 500.0 mL of solution?

The solid material that separates from solution when its solubility is exceeded is called a precipitate.

What is the molarity of a solution that contains 4.50 mol of NaF dissolved in 750.0 mL of solution?

An unknown amount of water is added to 75 mL of a 3.5 M sodium chloride solution.What can be said for certain about the concentration of the solution that results?

In normal room lighting,the eye cannot distinguish a true solution from a colloidal one.

One liter of alcohol combined with one liter of water does NOT produce two liters of solution.

An alloy,such as brass,is an example of a solution in the solid state.

Which statement concerning solutions is FALSE?

A patient requires 100.0 g of glucose in the next 12 hours.What volume of a 5.0% (m/V)glucose solution should be administered?