
Oefeningen molberekeningen
Quiz
•
Chemistry
•
4th Grade
•
Hard
Used 3+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Welk volume neemt 22,0g koolstofdioxide in bij 0°C en 1013hPa?
22,42 l
11,21 l
44,84 l
33,63 l
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hoeveel gram helium zit er in een ballon van 10m³ (bij 0°C en 1013hPa)?
1784g
1874g
1478g
1884g
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hoeveel liter dizuurstof en hoeveel liter diwaterstof ontstaan er bij de elektrolyse van 9g water?
11,21 l O2 en 5,605 l H2
0,25 mol O2 en 0,5 mol H2
5,605 l O2 en 11,21 l H2
0,5 mol O2 en 0,25 mol H2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Bereken het massapercentage koolstof, waterstof en zuurstof in C6H12O6?
40,0% C, 53,3% H en 6,7% O
6,7% C, 53,3% H en 40,0% O
53,3% C, 6,7% H en 40,0% O
40,0% C, 6,7% H en 53,3% O
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Bereken de massa van 1 liter distikstof
1,25g
28,02g
22,42g
2,50g
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Bereken de massa van 1 liter koolstofdioxide
44,01g
22,42g
1,96g
2,53g
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Bereken het volume dat wordt ingenomen door 80g zwaveltrioxide
22,42 mol/l
22,40 l
2,24 l
11,20 l
8.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Bereken het volume dat wordt ingenomen door 40g distikstofpenta-oxide
83,0 l
16,60 l
22,42 l
8,30 l
9.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Om een bepaalde chemische reactie uit te voeren hebben we 0,15 mol benzeen (C6H6) nodig. Hoeveel ml moeten we dan afmeten? (p = 0,879g/ml)
13,3 ml
11,7 ml
18,1 ml
22,5 ml
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