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CHAP. 9]                           NET IONIC EQUATIONS                                141


               9.27.  Indicate how you could choose different compounds to enable you to write 100 additional equations in response to
                     Problem 9.12.
                     Ans.  Choose 34 or more soluble, ionic chlorides—the other alkali metal chlorides (4), the alkaline earth chlorides
                           (6), the first transition metal chlorides, most of the metals with two different charges (14), many second and
                           third transition metal chlorides (about 10), aluminum and tin(II) chloride (2). Combine each of these with
                           each of the three silver salts that you know are soluble (given in the example), and you have over 100 overall
                           equations.
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