Suggest a few possible molecular formulas
An organic compound was found to contain 10.34% hydrogen, 27.59% oxygen and 62.07% carbon. Calculate its empirical formula and suggest a few possible molecular formulas. Name each of them.
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In an experiment, aluminum of 200 g having a specific heat of 900 J/kg•K at 100°C is mixed with 44.0 g of water of 4186 J/kg•K at 20°C, having the mixture thermally isolated. (i) Determine the equilibrium temperature?
A compound was found to have a molar mass of 245.8g and the following composition: 2.44% H, 13.02%O, 19.53% C and 65.01% Br. State the empirical formula and its molecular formula.
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Calculate the empirical formula of vanillin? Vanillin, the dominant flavoring in vanilla, which contains C, H, and O and 1.05g of this substance, is completely combusted, 0.50g of H2O and 2.43g of CO2 are formed.
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