CHM 1311 Lecture Notes - Lecture 12: Nitrous Acid, Butters Stotch

Which is NOT a property of buffers?

A) Buffers resist changes in pH when acids or bases are added or when dilution occurs.

B) Buffers are a mixture of weak acid and conjugate base

C) The pH of a buffer is independent of ionic strength

D) The pH of a buffer is dependent on temperature

E) Buffers are a mixutre of weak bases and conjugate acid

The addition of which of the following to a culture medium will neutralize acids?

a. buffers

b. sugars

c. pH

d. heat

e. carbon

a) which substances in this experiment are strong acids and strong bases?

b) which are weak acids and weak bases?

c) which solutions in the provided table should exhibit common-ion effects?

d) which solutions are buffers?