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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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