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A 13.56 gram sample of copper is heated in the presence of excess bromine. A metal bromide is formed with a mass of 30.60 g D
A 5.267 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 13.29 grams of CO2 an
When 2.071 grams of a hydrocarbon, CH,, were burned in a combustion analysis apparatus, 7.112 grams of CO2 and 1.165 grams of
Vitamin C has the formula C,H,O, You burn 0.252 g of the compound in a combustion analysis chamber and isolate 0.378 g of CO2
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Answer #1

62-5 13-56gm cu molar mass of co= 63-5 mol a moles of co = 13.= 0.21 mols mass of compound = 30-60gm a mass of Brominel B8) =

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