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17 Nov 2019
Pls help asap
Short Answer Section (30%) Please show work for all questions in this section in the spaces below the questions. 11. An unknown element x has two naturally occurring isotopesa and I), Isotope I has a mass of 120.9038 u and a natural abundance of5740%, and isotope II has a mass of 122.9042 u Determine the atomic mass ofthe element. What is the likely identity of element X? 12. Use dimensional analysis to convert the following: a) 6.58 g Na to moles of Na. c) 0.598 mol KBr to grams of Br. 13. A compound contain only carbon, hydrogen, and oxygen. A 7.60-g sample of this compound produces 17.9 g of CO and 4.88 what is the empirical formula of this compound?
Pls help asap
Short Answer Section (30%) Please show work for all questions in this section in the spaces below the questions. 11. An unknown element x has two naturally occurring isotopesa and I), Isotope I has a mass of 120.9038 u and a natural abundance of5740%, and isotope II has a mass of 122.9042 u Determine the atomic mass ofthe element. What is the likely identity of element X? 12. Use dimensional analysis to convert the following: a) 6.58 g Na to moles of Na. c) 0.598 mol KBr to grams of Br. 13. A compound contain only carbon, hydrogen, and oxygen. A 7.60-g sample of this compound produces 17.9 g of CO and 4.88 what is the empirical formula of this compound?
Casey DurganLv2
20 Jun 2019