Suggested Answer
The mass of a particle is 2.2x10⁻¹⁵ kgConsider smoke particles as an ideal gasThe translational RMS speed of the smoke particles is 2.45x10⁻³ m/s.v= √3kT/mwhere k= 1.38x10⁻²³J/K, T is 288K, and m is the mass of the smoke particle2.45x10⁻³ = √3x1.38x10⁻²³x288/mm= 2.2x10⁻¹⁵ kgTherefore, the mass of a particle is 2.2x10⁻¹⁵ kg.To learn more about the translational root mean square speed of gases, visit https://brainly.com/question/6853705#SPJ4