Question

In 1 mole of c2h6, how many moles of carbon atoms are present

Answer 1

number of particle = number of mole*Avogadro constant

= 1*6.02*1023

atoms are present 1 mol c2h6 has 2

mole of carbon in it

1 mol = 6.02*1023(same as 1.0 dozen=12

there are 1.2*1024 atoms in 1.0 mole of ethane

I hope u got ur answer