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Algemene chemie oefeningen hoofdstuk 1

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Algemene chemie oefeningen Mastering Chemistry met antwoorden (hoofdstuk 1)

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March 16, 2019
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Written in
2018/2019
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Chemie hoofdstuk 1 oefeningen

1. Schrijf 0.001899 in wetenschappelijke notatie:

Oplossing:

1.899 * 10 -3

2. Wat is het aantal beduidende cijfers in 0.09880 g ?

Oplossing:

4

3. Hoeveel beduidende cijfers bevat het antwoord op 23.1 + 0.5448 + 15 ?

Oplossing:

2

4. Hoeveel beduidende cijfers bevat het antwoord op (8.881 * 2.100) + 0.590 ?

Oplossing:

4

(131.7−199)∗1.05
5. Hoeveel beduidende cijfers bevat het antwoord op ?
0.500
Oplossing:

2

6. Normaal menselijk bloed bevat ongeveer 200mg cholestrol per 100 ml. Druk dit uit in a) mg/l
b) μg/ml c) g/lg/ml c) g/l d) ng/μg/ml c) g/ll e) hoeveel gram cholestrol heeft een persoon als het totale volume
bloed 5 l is ?

Oplossing:

a) 2000 b) 2000 c) 2 d) 2000 e) 10 g
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