Problem: Which of the following can be classified as buffer solutions?a. 0.25 M HBr + 0.25 M HOBrb. 0.15 M HClO4 + 0.20 M RbOHc. 0.50 M HOCl + 0.35 M KOCld. 0.70 M KOH + 0.70 M HONH2e. 0.85 M H2NNH2 + 0.60 M H2NNH3NO3

FREE Expert Solution

We’re being asked to determine which of the given solutions can be classified as buffer solutions.


Recall that a buffer can be composed of the following:

weak base and its conjugate acid
weak acid and its conjugate base
weak acid and a strong base 

▪ concentration of weak acid > concentration of strong base

weak base and a strong acid 

concentration of weak base > concentration of strong acid

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Problem Details

Which of the following can be classified as buffer solutions?

a. 0.25 M HBr + 0.25 M HOBr
b. 0.15 M HClO4 + 0.20 M RbOH
c. 0.50 M HOCl + 0.35 M KOCl
d. 0.70 M KOH + 0.70 M HONH2
e. 0.85 M H2NNH2 + 0.60 M H2NNH3NO3

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.