6. Zuren en basen
6. Zuren en basen
6. Zuren en basen
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Neutralisatie:<br />
zwakke base + sterk zuur<br />
• NH 3 + HCl NH 4 + + Cl -<br />
• pH-curve tijd<strong>en</strong>s neutralisatie ?<br />
NH 3<br />
0,01 mol/l<br />
HCl<br />
0,1 mol/l<br />
100 ml 0 ml<br />
9,0 ml<br />
9,9 ml<br />
10,0 ml<br />
10,1 ml<br />
11,0 ml<br />
20,0 ml<br />
pH Rest<br />
NH 3<br />
10,62<br />
8,30<br />
7,25<br />
5,65<br />
4,04<br />
3,05<br />
2,08<br />
Overmaat<br />
HCl<br />
0,001 mol<br />
0,0001 mol<br />
0,00001 mol<br />
Equival<strong>en</strong>tie punt<br />
0,00001 mol<br />
0,0001 mol<br />
0,001 mol<br />
14,00<br />
12,00<br />
10,00<br />
8,00<br />
6,00<br />
4,00<br />
2,00<br />
0,00<br />
pH<br />
Equival<strong>en</strong>tiepunt<br />
pH=5,65<br />
0 0,005 0,01 0,015 0,02
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