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...