Wichita of the following can make a buffer system

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Wichita of the following can make a buffer system?

A. HCl and KCl
B. H2SO4 and SO4-
C. CH3COOH and CO2
D. H2PO4 and H2PO3
E. H2OPO4 and HPO4-

Reference no: EM13170718

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