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Exam (elaborations)

toetsvragen scheikunde havo 4

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Tentamen van 2 pagina's voor het vak Scheikunde aan de HAVO (scheikunde toets)

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Institution
Secondary school
Level
Module
School year
4

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Uploaded on
May 27, 2022
Number of pages
2
Written in
2021/2022
Type
Exam (elaborations)
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TOETSVRAGEN SCHEIKUNDE



Sintia

Dima

Naamgeving zouten:

1. Geef de systematische namen van de volgende zouten:

a. Geef de naam van Fe2(SO4)3
b. Geef de naam van Pb(NO2)2
c. Geef de naam van K2Cr2O7

2. Geef de formule van de volgende zouten:

a. Aluminiumchloride
b. Calciumbromide
c. Kaliumjodide



hij daarvoor nodig hebt
3. Bereken de molariteit van

a. chloride-ionen als je 500 mg kaliumchloride oplost in 100 mL water
b. kaliumionen als je 3,0 gram kaliumfosfaat oplost in 2,5 L water
c. sulfaationen als je 30 gram aluminiumsulfaat oplost in 900 mL water




uitwerkingen

opgave 1

.a De naam van Pb(NO2)2 is lood(II)nitriet

b . K2Cr2O7 bestaat uit K + (kaliumion) en Cr2O7 2− (dichromaation)

2. De naam van K2Cr2O7 is kaliumdichromaat

c. K2Cr2O7 bestaat uit K + (kaliumion) en Cr2O7 2− (dichromaation)

2. De naam van K2Cr2O7 is kaliumdichromaat



opgave 2
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