SCIENCE 1045L-a student used a piece of aluminum that had a mass of 2.583 grams

Question # 00302108 Posted By: solutionshere Updated on: 06/02/2016 10:21 PM Due on: 07/02/2016
Subject Chemistry Topic General Chemistry Tutorials:
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a student used a piece of aluminum that had a mass of 2.583 grams, and treated according to the same procedure you used in this experiment.

2 AL(s) + 2 H2SO49(aq) + 4 H2SO4(aq) + 22H2O(l) ----> 2 KAL(SO4)2 * 12H2O(S) + 3H2(g)

a. How many moles of AL did the student use in this experiment?


b. How many moles of the Alum, KAL(SO4) * 12H2O, can be produced theoretically? (Hint - Use the coefficients from the balanced chemical equation.)


c. what is the mass of Alum theoretically possible? ( hint- use the molar mass of the alum calculated in question #1)


d. if the student's crystals had a mass of 32.105 g, what is the percent yield?

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  1. Tutorial # 00297500 Posted By: solutionshere Posted on: 06/02/2016 10:21 PM
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    2 KAL(SO4)2 * 12H2O(S) + 3...
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    KAl(SO4)2_.zip (149.27 KB)
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