A buffer solution contains 0.326 M ammonium bromide and 0.377 M ammonia. If 0.0288 moles of perchloric acid are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding perchloric acid) pH =

A buffer solution contains 0.222 M hypochlorous acid and 0.318 M sodium hypochlorite.If 0.0380 moles of hydrobromic acid are added to 250 mL of this buffer, what is the pH of the resulting solution ?(Assume that the volume does not change upon adding hydrobromic acid)pH =

1. A buffer solution contains 0.419 M of ammonium chloride and 0.221 M of ammonia.If 0.0293 moles of sodium hydroxide are added to 150 mL of this buffer, what is the pH of the resulting solution? (Assume that the volume does not change upon adding sodium hydroxide.) 2. A buffer solution contains 0.286 M of ammonium chloride and 0.472 M of ammonia. If 0.0620 moles of nitric acid are added to 250 mL of this buffer, what is the pH of the resulting solution? (Assume that the volume does not change upon adding nitric acid.)

A buffer solution contains 0.495 M acetic acid and 0.331 M sodium acetate. If 0.0304 moles of potassium hydroxide are added to 225 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding potassium hydroxide) pH =