Solution Concentration. Concentration Describes the amount of solute dissolved in a specific amount of solvent.

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SOLUTIONS Chapter 15.

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Presentation transcript:

Solution Concentration

Concentration Describes the amount of solute dissolved in a specific amount of solvent

Percent By Mass

Percent By Volume

Practice A 4 g sugar cube (Sucrose: C 12 H 22 O 11 ) is dissolved in a 350 ml teacup of 80 °C water. What is the percent composition by mass of the sugar solution? Given: Density of water at 80 °C = g/ml

Calculate the % by volume Isopropyl Alcohol and water

Molarity

Molarity Practice What is the molarity of a bleach solution containing 9.5 grams of NaOCl per liter of bleach.

Diluting Solutions M 1 V 1 = M 2 V 2

Diluting Practice Problem What volume, in mL of 2.00M CaCl 2 stock solution would you use to make 0.50 L of 0.300M CaCl 2 ?

Molality

Molality Practice Problem In the lab, a student adds 4.5 grams of NaCl to grams of water. Calculate the molality of the solution.

Mole Fraction

Mole Fraction Practice Problem Calculate the mole fraction of NaOH in an aqueous solution that contains 22.8% NaOH by mass.