All of the following statements concerning buffers are true EXCEPT<?xml:namespac
ID: 632264 • Letter: A
Question
All of the following statements concerning buffers are true EXCEPT<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
a. buffers are used to titrate weak bases.
b. buffers contain appreciable amounts of a weak acid and its conjugate base.
c. buffers are resistant to changes in pH brought about by addition of strong acids and bases.
d. the pH of a buffer is close to the pKa of the weak acid from which it is made.
e. buffers are resistant to changes in pH when the solution is diluted with water.
Explanation / Answer
d. the pH of a buffer is close to the pKaof the weak acid from which it is made.