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Samenvatting Chemie | Atoommassa & Molaire Massa | 3e graad

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Deze samenvatting behandelt fundamentele concepten uit Chemie voor 3e graad, specifiek gericht op absolute massa, relatieve atoommassa en molaire massa. De kernonderwerpen zijn de internationale atoommassa-eenheid, de constante van Avogadro (6,022 · 10²³), en de berekening van molaire massa. Ideaal voor examenvoorbereiding omdat alle basisconcepten duidelijk en beknopt zijn uitgelegd met definities en formules.

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Samenvatting Chemie: TH0
Wat is de absolute massa?
 De absolute massa is de werkelijke massa uitgedrukt in kg
Grootheid Massa Symbool m
Si-eenheid Kilogram Symbool Kg


Wat is de relatieve atoommassa?
 De relatieve atoommassa drukt uit hoeveel keer de absolute massa
groter is dan de unit (internationale atoommassa-eenheid = 1,66 . 10 -27)
Grootheid Relatieve Symbool Ar
atoommassa
Si-eenheid / Formule Ar = m/u


Wat is de relatieve molecuulmassa?
 Dat is de som van de relatieve atoommassa’s
Grootheid Relatieve Symbool Mr
molecuulmassa
Si-eenheid / Formule Mr = m/u


Wat is de constante van Avogadro?
 De constante van Avogadro drukt uit hoeveel deeltjes er aanwezig zijn in
1 mol stof  6,022 . 1023
Grootheid stofhoeveelheid Symbool n
Si-eenheid mol Symbool mol
FORMULE: n = N/NA
Grootheid Aantal deeltjes Symbool N
Si-eenheid / Formule N = n . NA


Wat is de molaire massa?
 De molaire massa is de massa van een bepaalde stof per 1 mol

Document information

Study
3e graad
School year
5
Uploaded on
September 28, 2026
Number of pages
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Written in
2026/2027
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Summary
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