1.

Calculate the number of moles of carbon atoms in three moles of ethane.

Answer»

Solution :Ethane - Molecular formula = `C_(2)H_(6)`
1 MOLE of ethane contains 2 atoms of CARBON `(6.023xx1O^(3)C)`
`:.` 3 MOLES of ethane contains 6 atoms of Carbon.
`:.` No. of moles of Carbon atoms = `3xx6.023xx10^(23)` Carbon atoms.
`= 18.069xx10^(23)` Carbon atoms


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