Question

calculate number of particles in 0.5 mole of carbonatom

Answer 1

  1 mole = 6.02 x 10^23 atoms 


0.5 mole of C x ( 6.02 x 10^23 atoms / 1 mole) 

= 3.01 x 10^23 atoms

Answer 2

1 mole of carbon atom contains 6.022*10^23


therefore,
o.5 moles of carbon atom contains (6.022*10^23)/0.5