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The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
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Calculate the number of moles of ethane in 100 grams
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If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
Answers: 3
A flask with a volume of 125.0 mL contains air with a density of 1.174 g/L. What is the mass of the...
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