In three moles of ethane (C_(2)H_(6)) calculate the following : (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane.

In three moles of ethane (C_(2)H_(6)) calculate the following : (i) N

1.	In three moles of ethane (C_(2)H_(6)) calculate the following : (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane.
Answer» Solution :(i) 2 MOL carbon mplecule PRESENT in 1 mole ETHANE. So, 6 mol carbon molecule present in three mol ethane. (ii) 6 mol Hydrogen molecule are in 1 mol ethane `(C_(2)H_(6))`. Therefore in three mole ethane `3xx6 = 18` molecules of hydrogen present. (iii) 1 mol ethane `= 6.022xx10^(23)` ethane molecule `:. 3` mol ethene `= (?)` `= 3 xx 6.022xx10^(23)` `= 18.066xx10^(23)` ethane molecule