Recent content by kissandbang

heya. hi :)) I'm new here? can i use some help too? I'm having a hard time to this : -using Henderson-Hasselbalch equation, calculate the volume of 0.2 M aceic acid and 0.2 M sodium acetate, needed to prepare 50 ml of 0.1 M acetate buffer solution (pH=4.5). pKa of acetic acid is 4.74. please i...