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Handig schema chemisch rekenen + samenvatting - scheikunde Chemie vwo H3 en H4 $3.18
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Handig schema chemisch rekenen + samenvatting - scheikunde Chemie vwo H3 en H4
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  • Course
  • Scheikunde
  • Level
  • VWO / Gymnasium

Dit document is een samenvatting van H3 (chemisch rekenen) en H4 (zouten) uit het scheikunde boek Chemie uit vwo 4. De stof uit hoofdstuk 3 heb ik samengevoegd in een schema, waardoor het erg overzichtelijk wordt. Dit vond ik zelf heel goed werken en ik denk dat het voor anderen ook fijn is.

Last document update: 20 hours ago

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Document information

  • January 14, 2025
  • January 14, 2025
  • 3
  • 2022/2023
  • Summary

Subjects

  • scheikunde
  • rekenen
  • schema
  • overzichtelijk
  • mol
  • zouten
  • omrekenen

Written for

  • Secondary school
  • VWO / Gymnasium
  • Scheikunde
  • 4
All documents for this subject (2228)

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irenepool08

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Hoofdstuk 3 chemisch rekenen




1.​ m(x) = n(x) · M(x)
​ n(x) = m(x) / M(x)
​ M(x) is de molaire massa in g/mol TABEL 98

2.​ V = m(x) / ρ
​ m(x) = V·ρ
​ ρ is dichtheid in kg/m3 TABEL 8 T/M 12

3.​ Aantal deeltjes = n(x) · NA
n(x) = Aantal deeltjes / NA
NA is constante van Avogadro = 6,022 · 1023 TABEL 7

4.​ Molariteit = n(x) / V(x)
n(x) = Molariteit · V(x)
V in Liter

5.​ V(x) = n(x) · Vm
n(x) = V(x) / Vm
Vm is molair volume in m3/mol TABEL 7

Rekenen aan reacties 3.4
Stap 1) Schrijf de kloppende reactievergelijking op
Stap 2) Bereken het aantal mol van de gegeven massa
Stap 3) Vul bij alles het aantal mol in met behulp van de
verhouding
Stap 4) Bereken het aantal gram van de gevraagde stof

Ppm en ppb
Massa-ppm= deel / geheel · 106 ppm
Massa-ppb= deel / geheel · 109 ppb

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