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Equilibrium in Analytical Chemistry Using Maple®: An emphasis on Ionic Equilibrium - Part II - eBooks and textbooks from bookboon.com

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This plot option can be extracted from the plot menu with a right or control click on the plot to be modified to open the menu and select Style for the type of plot to be rendered The op[r]

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176. This is not such a bold assumption. Looking at Figures 8-1 and 8-6 one sees that when [H + ] approaches the “last” K an , the totally deprotonated congener begins to dominate. That is a An - begins to approach 1 Sách, tạp chí
Tiêu đề: last
180. There is no need to report, for example, K f5 and b 5 because it can be shown that K f5 = b 5 ÷ b 4 . 181. It is difficult to prepare any solution to a concentration more than about 10 M Sách, tạp chí
Tiêu đề: and" b5 because it can be shown that Kf5 = b5÷ b4.181. It is difficult to prepare "any" solution to a concentration more than "about
182. The logic of the coefficients is presented with Equations 3-7 and 3-8. It should seem reasonable that to have a 1 M solution of Fe(CN) 3 , it would be necessary to have at least 3 M total CN - in solution Sách, tạp chí
Tiêu đề: at least" 3 M "total
173. Notice the use of full quotation marks here to protect the subscript. Normally single quotations are sufficient, but if ‘NH4’ is used, an Error, recursive assignment warning is produced Khác
174. The reader should remember that the maximum value for an a is one, and that log(1) is zero Khác
175. The reader is welcome to verify this by creating an a vs. pH plot for this acid. The solution to this problem is found where the two a ’s cross Khác
177. K w will not be required if our presumption about the pH of the solution and the alphas is correct Khác
183. These are taken from the Fe 3+ complex with the oxalate ion, C 2 O 4 2- (Appendix VIa). A pH large enough to assure that a H2Ox and a HOx are negligible is presumed. The output here has been reformatted Khác
184. Recall how the placement of single quotation marks in the input will create the labels in the output above Khác
186. a L q-×K f,n and a L q-× b n are known as conditional formation constants, K' f,n and b ' n , respectively Khác
187. That is, there will be no need to look for b 1 , b 2 etc Khác
188. The gridlines = true command is used here in lieu of the practice of adding gridlines from the plot menu Khác
190. Recall (Problem 2, Chapter 8) that EDTA is so important that it has its own symbol, H 4 Y Khác
191. This concept was introduced in Chapter 1 in the context of the reaction quotient, Q. It was discussed again in Chapter 4 (page 78) in the context of a A -, and it is most recently addressed as C EqPt in Problem 3 in Chapter 7 Khác
192. When a formation constant becomes this large, constants like b 3 , b 2 , and b 1 are unnecessary because Ni(CN) 4 2- so dominates the solution makeup Khác
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