Explain a buffer consists of a weak acid

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A buffer consists of a weak acid and its conjugate base. For the following pairs, indicate which is the acid and which is the base:

(a) KCN/HCN

(b) Na2HPO4/NaH2PO4

(c) Li2HPO4/LiPO4

(d) NH3/NH4Cl

Reference no: EM13223435

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