In three moles of ethane c2h6 calculate the following

Asked by admin @ in Chemistry viewed by 277 People

In three moles of ethane (C2H6), calculate the following :

(i) Number of moles of carbon atoms.
(ii) Number of moles of hydrogen atoms.
(iii) Number of molecules of ethane.
Ncert solutions for Class 11th Chemistry Part - 1 Chapter 1 Exercise 9

Answered by admin @


1 molecule of ethane contains 2 carbon atoms 
so 3 moles of ethane contains 6 mole of carbon atoms.
1 molecule of ethane contains 6 hydrogen atoms 
so 3 moles of ethane contains 18 mole of hydrogen atoms.
1 mole of ethane contains 6.023×10²³ molecules of ethane
so 3 mole of ethane contains 3×6.023×10²³ =18.069 ×10²³ molecules of ethane


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