Electrolysis An analytical chemist wanted touse electrolysis to determine the number of
Chapter 2, Problem 61(choose chapter or problem)
Electrolysis An analytical chemist wanted touse electrolysis to determine the number of moles ofcupric ions in a given volume of solution. The solutionwas partitioned into n 30 portions of .2 millilitereach, and each of the portions was tested. The averagenumber of moles of cupric ions for the n 30 portionswas found to be .17 mole; the standard deviation was.01 mole.a. Describe the distribution of the measurementsfor the n 30 portions of the solution usingTchebysheffs Theorem.b. Describe the distribution of the measurements forthe n 30 portions of the solution using theEmpirical Rule. (Do you expect the Empirical Ruleto be suitable for describing these data?)c. Suppose the chemist had used only n 4 portionsof the solution for the experiment and obtained thereadings .15, .19, .17, and .15. Would theEmpirical Rule be suitable for describing the n 4measurements? Why?
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