1- A buffer solution contains 0.307 M NH 4 Br and 0.388 M NH 3 ( ammonia ). Determine the pH change when 0.093 mol NaOH is added to 1.00 L of the…

1-

0.307NH4Br0.388NH3ammoniachange0.093NaOH1.00

change

change0.106KOH1.000.371CH3COOH0.346CH3COO–

change

potassium hydroxide2250.451hydrofluoric acid3.190

————  moles

4- 0.446acetic acid

0.246potassium hydroxide1504.770

———-  mL