Question

Campuran larutan NH4OH 0.1 m dengan larutan garam NH4CL 0.1 M mempunyai ph= 10 .
( Kb NH4OH = 10^-5 )Perbandingan volume larutan NH4OH dan larutan NH4CL
1:1
2:1
1:5
5:1
10:1

Answer 1

POH = 10^-10
pH = 10^-4

[OH-] = Kb x b/g
10^-4 = 10^-5 x 0,1 Vb/0,1 Vg
Vg = 10^-1 Vb
Vb = 10 Vg