Answer:
One mole of Carbon contains 6.022x10^23 atoms.
3.75 moles of carbon contains ( 6.022x10^23 ) x ( 3.75 ) = 2.26x10^24 Atoms.
One mole of every element or compound is equal to 6.022x10^23 number of Atoms or Molecules and this number of atoms is known as Avogadro's Number.