Day 110


Concentration;   is a measurement of the amount of solute in a given amount of solvent or solution. 

Percent by Mass;   is the number of grams of solute dissolved in 100 g of solution.

Molarity;   is the number of moles of solute in one liter of solution.

Molality;   is the concentration of a solution expressed in moles of solute per kilogram of solvent.  


Section Review  p.425, questions 1-4

1.  Molarity

2.  Molality and percent by mass

3.  Percent by mass = 0.49%
     Molarity =  0.01462
     Molality = 0.01462

4.  Molality