Page 29 - PowerPoint Presentation

Perhitungan pH buffer basa

Contoh perhitungan

NH + H O ⇋ NH ⁺ + OH⁻
4
3
2
Dapat dicari melalui rumus berikut
NH + [OH¯]
4

=
[NH 3 ]
[OH¯] NH 3
=

NH + [OH¯]
4

[OH¯] =

pOH = − OH¯

− OH¯ NH 3
= − . − NH + [OH¯]

4
OH = . − NH 3
NH +
4
OH = . −