Which of the following solutions represent a buffer system? Select all that apply.

Question

Which of the following solutions represent a buffer system?  Select all that apply.
Answer
	 A.	
H2CO3 and HCO3-
	 B.	
HNO2 and NaNO2
	 C.	
NH4Br
	 D.	
Na2SO4
	 E.	
HClO4 and NaClO4
	 F.	
CH3COOH

DrBob222 · Answer

A buffer is made by using a mixture of a weak acid and its conjugate or a weak base and it's cnjugate OR a mixture that will produce such. A yes B ? C no D no E ? The ? are left for you.