C. Data Pengamatan Volume 0,50 L Volume 0,70 L -Log -Log - - + + Larutan [H 3O ] [OH ] [H 3O ] [OH ] + + pH [H 3O ] pH [H 3O ] (mol/L) (mol/L) (mol/L) (mol/L) Air cucian Sabun mandi Darah Air Susu Kopi Pop soda Cairan lambung Asam baterai 28