A researcher wants to make a buffer of pH 4.60 using nitrous acid (Ka = 4.0...

Question

Question

A researcher wants to make a buffer of pH 4.60 using nitrous acid (Ka = 4.0 x 10^-4) and sodium nitrite.

a. Determine the approximate ratio of the two buffer compoents that she should use to get the desired pH.

b. Evaluate the researcher's decison to use the nitrous acid/nitrite buffering system.

Answer 1

Answer #1

ka 3-318 Ya aCdl ai d 。2.02 /. 202- as d The hatio cf Salt to ts aid Is. 92:/ acd 0.0628 0.0628

Answer 2

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