Question
Asked Oct 23, 2019
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A 10.0-g sample of C2H5OH is burned completely in air. How many moles of H2O are formed?

 

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Expert Answer

Step 1

The molar mass of the ethanol is 46 g/mol. The number of moles in 10.0 g of a sample of ethanol is calculated as shown below where n(Ethanol) is the number of mole of ethanol. The number of moles in 10.0 g of a sample of ethanol is 0.22 mol.

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10.0 g (E thanol) 46 g mol = 0.22 mol

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Step 2

The balanced chemical equation for the combusti...

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СН,ОН +30, >2CO, + ЗН,0

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