Hoeveel mol zuurstofatomen zitten er in 0,87 mol MnO2 Geef je antwoord in 2 decimalen

molrekenen

Quiz
•
Chemistry
•
3rd Grade
•
Hard

Elisa Schreurs
Used 2+ times
FREE Resource
6 questions
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1.
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5 mins • 6 pts
2.
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5 mins • 6 pts
Hoeveel gram weegt 23,1 mol ammoniak, NH3? Geef antwoord in 3 significante cijfers
3.
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5 mins • 6 pts
Een sneeuwvlok is opgebouwd uit 1,1020 watermoleculen. hoeveel mg weegt een sneeuwvlok? Geef je antwoord in 1 significante cijfers.
4.
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5 mins • 6 pts
Een blok keukenzout bestaat uit 7,41 mol NaCl. Dichtheid(NaCl) = 2,17 kg/dm3 Wat is het volume van het blok? Geeft je antwoord in 3 significante cijfers
5.
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5 mins • 6 pts
Je weegt 29,1 gram Na2C2O4 af. Hoeveel mol is dat? Geef je antwoord in drie significante cijfers.
6.
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5 mins • 6 pts
Je heb 6,79x1025 P2O3-moleculen. Hoeveel mol is dat? Geef je antwoord in 3 significante cijfers
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