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Why can you cook with a base like baking soda, but you should be extremely cautious when handling a base like drain cleaner? As we know the pH and K2, we can calculate the ratio between carbonate and bicarbonate. To know the relationship between acid or base strength and the magnitude of \(K_a\), \(K_b\), \(pK_a\), and \(pK_b\). Asking for help, clarification, or responding to other answers. Because \(pK_a\) = log \(K_a\), we have \(pK_a = \log(1.9 \times 10^{11}) = 10.72\). Answered: Calculate the Kb values for the CO32- | bartleby In inorganic chemistry, bicarbonate (IUPAC-recommended nomenclature: hydrogencarbonate[2]) is an intermediate form in the deprotonation of carbonic acid. As such it is an important sink in the carbon cycle. Diprotic Acid Overview & Examples | What Is a Diprotic Acid? Why does the equilibrium constant depend on the temperature but not on pressure and concentration? succeed. Is this a strong or a weak acid? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. So bicarb ion is. This constant gives information about the strength of an acid. The acidification of natural waters is caused by the increasing concentration of carbon dioxide in the atmosphere, which is caused by the burning of increasing amounts of . Ka in chemistry is a measure of how much an acid dissociates. The molar concentration of protons is equal to 0.0006M, and the molar concentration of the acid is 1.2M. These constants have no units. Has experience tutoring middle school and high school level students in science courses. These numbers are from a school book that I read, but it's not in English. pH is an acidity scale with a range of 0 to 14. The same procedure can be repeated to find the expressions for the alphas of the other dissolved species. The difference between the phonemes /p/ and /b/ in Japanese. In order to learn when a chemical behaves like an acid or like a base, dissociation constants must be introduced, starting with Ka. Created by Yuki Jung. See examples to discover how to calculate Ka and Kb of a solution. H2CO3 is a diprotic acid with Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11. High values of Kc mean that the reaction is product-favored, while low values of Kc mean that the reaction is reactant-favored. Learn more about Stack Overflow the company, and our products. A freelance tutor currently pursuing a master's of science in chemical engineering.