Concentration - PowerPoint PPT Presentation

1 / 7
About This Presentation
Title:

Concentration

Description:

Concentration Molarity Moles of solute per liter of solution Ex. 1 What is the molarity of a solution that was prepared by dissolving 11.5g of solid sodium hydroxide ... – PowerPoint PPT presentation

Number of Views:107
Avg rating:3.0/5.0
Slides: 8
Provided by: tracy377
Learn more at: http://www.lusd.org
Category:

less

Transcript and Presenter's Notes

Title: Concentration


1
Concentration
2
Molarity
  • Moles of solute per liter of solution

3
Ex. 1
  • What is the molarity of a solution that was
    prepared by dissolving 11.5g of solid sodium
    hydroxide in 1.50L of water?

4
Ex. 2
  • Calculate the molarity of a solution prepared by
    dissolving 1.56g of gaseous HCl in enough water
    to make 26.8 mL of solution.

5
Examples
  • Calculate the number of moles of chloride ions in
    1.75L of .0010 M zinc chloride.
  • Typical blood serum is about 0.14M NaCl. What
    volume of blood contains 1.0mg of NaCl?
  • To analyze the alcohol content of a certain wine,
    a chemist needs 1.00 L of an aqueous potassium
    dichromate solution. How much solid must be
    weighed out to make this solution?

6
Dilution
  • When water is added to a concentrated solution in
    order to achieve the desired molarity
  • (molarity)(volume) (molarity)(volume)

7
Ex.
  • What volume of 16M sulfuric acid must be used to
    prepare 1.5L of a .10 M solution?
Write a Comment
User Comments (0)
About PowerShow.com