The number of particles present in one mole of particles is
6.02 x10^23 particles
Explanation
The number of particles in 1 mole is called Avogadro's number or Avogadro's constant.
Avogadro's number is in simple terms can be defined as number of elementary particles.
According to Avogadro's law constant 1 moles of particle has 6.02 x 10^23 particles