Mohon bantuannya nomer 50

Titrasi Asam-Basa
Grek asam = Grek basa
0.08 . 20 . 1 = M OH- . 25 . 1
M OH- = 0.064 M

0.064 = 0.1 x + 0.06 (25-x) / 25
1.6 = 0.1 x + 1.5 - 0.06 x
0.1 = 0.04 x
x = 2.5 mL

V NaOH = 25 - x = 22.5 mL (D) -> Jawab