Chemistry, 19.08.2020 05:01 Laocean9281
Of the following solutions, which has the greatest buffering capacity?
a. 0.365M HC2H3O2 and 0.497 M NaC2H3O2
b. 0.521 M HC2H3O2 and 0.217 M NaC2H3O2
c. 0.821 M HC2H3O2 and 0.713 M NaC2H3O2
d. 0.121 M HC2H3O2 and 0.116 M NaC2H3O2
Answers: 3
![pH=pKa+log(\frac{[Base]}{[Acid]} )](/tpl/images/0724/4638/0f602.png)
![\frac{[Base]}{[Acid]}=\frac{0.497M}{0.365M}=1.36](/tpl/images/0724/4638/97ff8.png)
![\frac{[Base]}{[Acid]}=\frac{0.217M}{0.521M}=0.417](/tpl/images/0724/4638/a7e8e.png)
![\frac{[Base]}{[Acid]}=\frac{0.713M}{0.821M}=0.868](/tpl/images/0724/4638/d8525.png)
![\frac{[Base]}{[Acid]}=\frac{0.116M}{0.121M}=0.959](/tpl/images/0724/4638/d3f8b.png)
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Of the following solutions, which has the greatest buffering capacity?
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