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6. Zuren en basen

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Dissociatie van ionverbinding<strong>en</strong><br />

• Zout<strong>en</strong>: MX M + + X - (dissociatie ionverbind.)<br />

• Arrh<strong>en</strong>iuszuur staat H + af aan water:<br />

HZ + H 2O H 3O + + Z -<br />

(HCl, HNO 3, H 2SO 4, H 2CO 3, H 3PO 4, HAc,...)<br />

• Arrh<strong>en</strong>iusbase geeft OH - af in wateroplossing:<br />

MOH M + + OH -<br />

(NH 3 + H 2O NH 4 + + OH - )<br />

• Protolyse = H + -overdracht:<br />

NH 3 + HCl NH 4 + + Cl -<br />

H +

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