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Chemistry
Chemistry
Problem
For a buffer in which the pH is 0.30 units higher than the pK_a of its weak acid, which of the following best approximates the concentration ratio [A⁻]/[HA]? a)
3
:
1
3:1
3
:
1
b)
0.5
:
1
0.5:1
0.5
:
1
c)
2
:
1
2:1
2
:
1
d)
5
:
1
5:1
5
:
1
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