Question

calculate number of moles corbon atom and hydrogen atom in three moles of eathene​

Answer 1

Explanation:

Ethane=C2H6

now one mole of ethane has 2 moles of carbon and 6 moles of hydrogen

therefore

3 moles of ethane will have 6 moles of carbon and 18 moles of hydrogen

Answer 2

Explanation:

so 3 moles of ethane contains 6 mole of carbon atoms. so 3 moles of ethane contains 18 mole of hydrogen atoms.