Which of the following solutions can act as a buffer? (a) KCl/HCl, (b) KHSO4/H2SO4, (c) Na2HPO4/ NaH2PO4,
Question:
(a) KCl/HCl,
(b) KHSO4/H2SO4,
(c) Na2HPO4/
NaH2PO4,
(d) KNO2/HNO2.
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