1. Chlorine has two isotopes, 35Cl and 37Cl. Which isotope has a higher natural abundance? Show your calculations. U 2. Extraction of aluminum from Bauxite ore starts with the following reaction: a Al₂O3 + b NaOH → c NaAlO₂ + d H₂O (a) Balance the equation, i.e., specify the values of a. b. c, and d. (b) Assuming a theoretical reaction yield, at what mass will Al₂O3 no longer be a limiting reagent in a process that also uses 40 ko of sodium hydroxide?

Chemistry for Engineering Students
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Author:Lawrence S. Brown, Tom Holme
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Chapter4: Stoichiometry
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1. Chlorine has two isotopes, 35Cl and 37Cl. Which isotope has a higher natural
abundance? Show your calculations. U
2. Extraction of aluminum from Bauxite ore starts with the following reaction:
a Al₂O3 + b NaOH → c NaAlO₂ + d H₂O
(a) Balance the equation, i.e., specify the values of a. b. c, and d.
(b) Assuming a theoretical reaction yield, at what mass will Al₂O3 no longer be a
limiting reagent in a process that also uses 40 ko of sodium hydroxide?
Transcribed Image Text:1. Chlorine has two isotopes, 35Cl and 37Cl. Which isotope has a higher natural abundance? Show your calculations. U 2. Extraction of aluminum from Bauxite ore starts with the following reaction: a Al₂O3 + b NaOH → c NaAlO₂ + d H₂O (a) Balance the equation, i.e., specify the values of a. b. c, and d. (b) Assuming a theoretical reaction yield, at what mass will Al₂O3 no longer be a limiting reagent in a process that also uses 40 ko of sodium hydroxide?
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Chlorine -35 has more abundance than chlorine -37 .This can be calculated as : 

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