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Samenvatting Scheikunde Hoofdstuk 4 Rekenen met mol

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Dit is een samenvatting uit het boek Chemie. Dit hoofdstuk wordt zowel in havo 4 als havo 5 gegeven. Het is ook basiskennis van het examen. Rekenen met mol moet je niet alleen samenvatting of doorlezen maar ook genoeg oefenvragen maken.

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HAVO
Course
Scheikunde








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Written for

Institution
Secondary school
Level
HAVO
Course
Scheikunde
School year
5
All documents for this subject (931)

Document information

Uploaded on
July 8, 2022
Number of pages
1
Written in
2021/2022
Type
Summary

Subjects

  • mol
  • massa
  • rekenen met mol

Content preview

Hoofdstuk 4 Rekenen met Mol
Significatie wordt gerekend na de 0.
Hoe meer significantie, hoe preciezer het antwoord is.

Percentage × compleet aantal : 100
Tellen heeft geen invloed op significantie.

Chemische hoeveelheid (n) → Eenheid is mol.
Molecuulmassa (u) = massa mol in gram = g mol-1.
Mol moet gelijk staan aan de hoeveelheid.
* O2 is dus 32 u i.p.v. 16 u.

Kg m-3 = g dm-3 → Tabellen.

Microniveau = Niveau van deeltjes, u, moleculen, atomen en ionen.
Macroniveau = Eigenschap, stofniveau, dichtheid en molaire massa.

Molariteit = mol L-1/ aantal mol per L mengsel.
→ Chemische hoeveelheid (mol) : volume mengsel (L).
Binas 98 → Molaire massa van mengsels.

Molverhouding = Het getal voor materiaal in vergelijking.
Ondermaat = Volledige stof wat verbruikt wordt.
Overmaat = Meer dan wat verbruikt wordt.
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