Concentrations of Solutions

• Saturated water caused by pollutants (like trash)

  may lead to severe flooding.
• It contains a large amount of solute

  Concentrated
• it contains a small amount of solute

  diluted
• the measure of how much solute is DISSOLVED in a specific amount of solvent or solution is called?

  1. Concentration of Compounds
  2. Concentration of Elements
  3. Concentration of Solutions
  4. Concentration of Mixtures

  concentration of solutions
• If the alcohol is sold at 70% ethyl or isopropyl alcohol, how much mL of alcohol is present in the solution?

  70
• this is true for: solid solute and liquid

  solvent.

  
• Percent by Mass (or Weight):

  
• Percent by Volume (for liquid-liquid solutions) - the

  amount of solute in a given volume of solution; OR

  
• % w/v = mass of solute / mass of solution x 100

  
• another type