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Calculate the number of moles of …

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Calculate the number of moles of carbon atoms and hydrogen atom in three moles of ethane.

Posted by . . 1 year, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Preeti Dabral 1 year, 1 month ago

1 mole of C₂H₆contains 2 moles of carbon atoms
{tex}\therefore{/tex} 3 moles of C₂H₆will C-atoms = 2 {tex}\times{/tex} 3 = 6 moles
1 mole of C₂H₆contains 6 moles of hydrogen atoms
{tex}\therefore{/tex} 3 moles of C₂H₆will contain H-atoms = 3 {tex}\times{/tex} 6 = 18 moles
1 mole of C₂H₆contains Avogadro's no., i.e. 6.02 {tex}\times{/tex} 10²³ molecules of ethane
{tex}\therefore{/tex} 3 moles of C₂H₆will contain ethane molecules = 3 {tex}\times{/tex} 6.02 {tex}\times{/tex} 10²³ = 18.06 {tex}\times{/tex}10²³

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