Chemistry Forums for Students > High School Chemistry Forum
Buffer solutions
(1/1)
Tom:
Which of these statements is not true of buffer solutions?
A buffer solution could consist of equal concentrations of ammonia and ammonium bromide.
A buffer solution could consist of equal concentrations of nitric acid, HNO3, and sodium nitrate.
A buffer solution will change only slightly in pH upon addition of acid or base.
In a buffer solution containing benzoic acid, C6H5COOH, and sodium benzoate, C6H5COONa, the species that reacts with added hydroxide ion is the benzoic acid.
Mitch:
True: A buffer solution will change only slightly in pH upon addition of acid or base.
Tom:
A buffer solution will resist change in ph when a moderate amount of an acid or base is added to it. A buffer solution consists of a weak acid and its conjugate base, or of a weak base and its conjucate acid.
Navigation
[0] Message Index
Go to full version