Asked by zacky

Which one of the following mixtures is suitable for making buffers?
1 H3PO4 and NaH2PO4
2 Na2CO3 and NaHCO3
3 NH4Cl and NH3



a. 1 only

b. 2 only

c. 3 only

d. 1 and 2 only

e. 1, 2, and 3
Answered by DrBob222
Buffers are a weak acid and one of its salts or a weak base and one of its salts.
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