Chemistry Homework Solutions
#1656
Understanding buffers and weak acids.
Ascorbic acid (vitamin C) has a pKa of 4.2 at 24 degrees Celsius. State the pH of the solution when the ratio of unprotonated to protonated forms of ascorbic acid is
(a) 1:1
(b) 1:10
(c) 10:1
(d) 1:3
(e) Which form of ascorbic acid predominates at physiological pH?
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