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Presentatie Scheikunde Chemie Overal havo 5 leerboek, ISBN: 9789001819743
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Presentatie studieboek Chemie Overal havo 5 leerboek van Joost Arends (5) - ISBN: 9789001819743, Druk: 5, Uitgavejaar: - (.)
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Hoofdstuk 5 Zouten§5.1 Zoutformules en namen
Zout triviale naam voor natriumchloride (NaCl)
Zeezout – zout met mineralen
Bakkerszout – keukenzout met 50-65 mg jodide per kg zout
Strooizout – NaCl (soms ook CaCl2) vriespuntsverlaging
(wegenzout verlaging vriespunt tot circa -16 ⁰C)
Maagzout – NaHCO3, rijsmiddel, E500 – neutraliseert zuur
NaHCO3 + HCl → NaCl + H2O + CO2
In de scheikunde:
Een zout is een verbinding die bestaat uit (positieve) metaalionen en
(negatieve) niet-metaalionen.
,Zouten
NaCl
natriumchloride
,Ionbinding of
elektrostatische binding
Elektrovalentie: lading op het ion
, Al 3+ ion O 2- ion
aluminiumoxide
verhoudingsformule Al2O3
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