3. Acids and Bases
Equilibrium Constant
10:54 minutes
Problem 2c
Textbook Question
Textbook Questiona. Given the Ka values, estimate the pKa value of each of the following acids without using a calculator (that is, is it between 3 and 4, between 9 and 10, and so on?): 1. nitrous acid (HNO2), Ka=4.0×10−4 2. nitric acid (HNO3), Ka=22 3. bicarbonate (HCO3−), Ka=6.3×10−11 4. hydrogen cyanide (HCN), Ka=7.9×10−10 5. formic acid (HCOOH), Ka=2.0×10−4 6. phosphoric acid (H3PO4), Ka=2.1
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