5.1 mol is equal toparticles.

3.07122*10^24 particles

Explanation:

To convert moles to particles, remember that a mole of something is defined as 6.022*10^23 atoms of that thing.

5.1 mol * 6.022x10^23/1 mol = 3.07122*10^24 particles

the role of the microscope world in creating new materials .