Question: An aqueous solution contains 0.30 M sodium nitrite. One liter of this solution could be converted into a buffer by the addition of: (Assume that

An aqueous solution contains 0.30 M sodium nitrite. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) (SELECT ALL CORRECT ANSWERS)

A. 0.29 mol HNO2

B. 0.29 mol NaClO4

C. 0.14 mol HI

D. 0.30 mol HI

E. 0.14 mol KOH

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