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Slide 1:
Slide
Chemie
Secundair onderwijs
This lesson contains
11 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
5 min
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Items in this lesson
Les1
Slide 1 - Slide
Slide 2 - Slide
Herhaling
C
6
12,01
Slide 3 - Slide
Deeltjesmassa
In PSE
Afronden op 1 decimaal
Slide 4 - Slide
Molecuulmassa (M
r
)
M
r
(CH
4
) = ( 1 x A
r
(
C
) ) + ( 4 x A
r
(
H
) )
= 1 x
12,0
+ 4 x
1,0
=
16,0
Slide 5 - Slide
Slide 6 - Slide
Beduidende cijfers
Waar zijn de beduidende cijfers
juist
aangeduid?
A
B
C
D
Slide 7 - Quiz
Beduidende cijfers
Hoeveel beduidende cijfers zijn er in
0,0950⋅10
-2
A ?
A
2
B
3
C
5
D
6
Slide 8 - Quiz
Beduidende cijfers
Som / verschil
Vermenigvuldiging/deling
120,6 m . 80,4 m = 9696,24 m
2
=
970
. 10 m
2
14,41 g + 2,3 g = 16,71 g ~
16,7 g
Slide 9 - Slide
Hoeveelheid stof of Mol
200 g = 2 appels = 1 paar
1 kg = 12 aardappelen = 1 dozijn
massa aantal
speciale naam voor welbepaald aantal
CHEMIE
6,022 * 10
23
deeltjes
=
1 mol
deeltjes
N
A
= 6,022*1023 deeltjes / mol = getal van Avogadro
Slide 10 - Slide
Molaire massa (M)
Slide 11 - Slide
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