C. Data Pengamatan Volume 0,50 L Volume 0,70 L -Log -Log Larutan [H3O ] [OH ] [H3O ] [OH ] - + - + pH [H3O ] pH [H3O ] + + (mol/L) (mol/L) (mol/L) (mol/L) Air cucian Sabun mandi Darah Air Susu Kopi Pop soda Cairan lambung Asam baterai 28