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How many grams of solid sodium nitrite should be added to 1.00 L of a 0.226 M...

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Chemistry

How many grams of solid sodiumnitrite should be added to 1.00 Lof a 0.226 M nitrous acidsolution to prepare a buffer with a pH of 4.305?

grams sodium nitrite=  g.

Answer & Explanation Solved by verified expert
4.2 Ratings (858 Votes)
Nitrous acid is a weak acid The acid dissociation constant Ka value for nitrous acid HNO2 is 72 x 104 So its pKalogKalog72 x 1043143 Also by Hendersonhasselbalch equation pH of an acidic buffer is given as    See Answer
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