CHEMISTRY QUESTION: Which substance should be added to a solution of oxalic...

oliveOIL

New member
...acid in order to make a buffer? A) H2C2O4
B) HC2O4-
C) Na3C6H5O7
D) HC2H3O2
E) K2C2O4

Your help would be much appreciated! I am stuck on this one :(
 
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