Question

Which of the following is not a simple buffer?
Select one:
a. NH4CN
b. H3PO4 + NaH2PO4
c. (NH4)2 CO3
d. CH3COONH4

Answer 1

Answer:

Explanations: Buffers lessen or absorb the drastic changes in pH that occur when small amounts of acids and bases are added to solution. In this case, the buffer solution is made of water, acetic acid and sodium acetate.

Answer 2

Answer:

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Explanation:

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