Lesson 21. Calculating concentration

1 / 29
volgende
Slide 1: Tekstslide
ChemSecondary Education

In deze les zitten 29 slides, met interactieve quizzen en tekstslides.

Onderdelen in deze les

Slide 1 - Tekstslide

Choose an emoji to tell us how you feel today.
😒🙁😐🙂😃

Slide 2 - Poll

Slide 3 - Tekstslide

Slide 4 - Tekstslide

Slide 5 - Tekstslide

Slide 6 - Tekstslide


Enquiry question: Which two beakers contain more concentrated substances?
A and B
A and C
A and D
B and C
B and D
C and D

Slide 7 - Poll

Slide 8 - Tekstslide



ConclusionWhich two beakers contain more concentrated substances?

Slide 9 - Open vraag

Slide 10 - Tekstslide


______ a solid substance that dissolves in a liquid.
A
Solute
B
Solvent
C
Solution
D
Opaque

Slide 11 - Quizvraag


_____ is the liquid that dissolves the solid substance.
A
Solute
B
Solvent
C
Solution
D
Opaque

Slide 12 - Quizvraag


Most chemical reactions occur between solutes which are dissolved in solvents. Which of the following is NOT an example of a solvent?
A
silver nitrate
B
oil
C
water
D
ethanol

Slide 13 - Quizvraag


______ refers to the amount of solute there is in a specific volume of the solvent.
A
Solubility
B
Concentration
C
Insoluble
D
Saturation

Slide 14 - Quizvraag


The greater the amount of solute in a given volume, the _________ the concentration.
A
lesser
B
greater
C
more saturated
D
less saturated

Slide 15 - Quizvraag


Which of the following units can be used to express the amount of solute?
A
grams
B
moles
C
both A and B
D
liters

Slide 16 - Quizvraag


Which of the following units can be used to express the concentration of a solution in 1 L of solvent?
A
g / dm^3
B
moles / dm^3
C
moles / mL
D
both A and B

Slide 17 - Quizvraag

Slide 18 - Tekstslide

Slide 19 - Tekstslide

Slide 20 - Tekstslide

  • m = 10g
  • V = 2 dm3

  • C =  ?
  • C = m / V
  • C = 10g / 2dm3

  • C = 5 g / dm3

  • The resulting concentration of  the NaOH solution is 5 g / dm3

Slide 21 - Tekstslide

Slide 22 - Tekstslide

Slide 23 - Tekstslide

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Slide 26 - Tekstslide

Self - Evaluation
😁 - I can do this! I am ready to try something new.
😅 - I am getting there! I need a bit of help. I am a bit unsure. I might need to practice.
😬 - I need help! I don't understand this. I am not ready to move on yet.
timer
1:00
😁
😅
😬

Slide 27 - Poll

Slide 28 - Tekstslide

  • Tuesday - Lesson 22  | Empirical and Molecular Formula
Up next!

Slide 29 - Tekstslide