Homework 1 - a 4.000 g sample in excess oxygen produced...

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Name: __________________________________ Lab TA Name_________________________ Lab Section (Day, am/pm) _________________________________________ Homework #1: Must be turned in by inserting into the proper box outside of Baker 131 before 2 pm on Tuesday September 15, 2009. Show all work on this page or on the back side if necessary. Carefully and neatly show the progression of the logic, formulas and math that you use. Cocaine is a highly addictive molecular substance produced in cocoa leaves. It is one member of a large family of compounds called alkaloids. It contains C, H, O and N. Combustion analysis of
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Unformatted text preview: a 4.000 g sample in excess oxygen produced 9.860 g of CO 2 , 2.521 g of H 2 O and 0.183 g of N 2 . What is the empirical formula of cocaine? (second question on next page) When cocaine is reacted with HCl, it becomes highly soluble in water. 1 Cocaine + 1 HCl (aq) Cocaine HCl (aq) (reacts in a 1:1 molar ratio) It is observed that 2.000 g of cocaine only becomes completely soluble in water when reacted with 6.6 ml of 1.000 M HCl. What is the molecular formula of cocaine?...
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Homework 1 - a 4.000 g sample in excess oxygen produced...

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