Frage 15 / Antwort E |
Essigsäure ist eine
schwache Säure. |
pH |
= |
½ (pKs - log c) |
||
pKS |
= |
5,0 |
||
c |
= |
0,001 mol/l = (log 10-3 = -3) |
||
pH |
= |
½ (5,0 - (-3)) |
||
pH |
= |
½ (5,0 +3) = 4 |
|