Calculate the mass of $1$ mole of neutrons in $kg$. $\left( m_n = 1.675 \times 10^{-27} \ kg \right)$

(N/A) The mass of one neutron is given as $1.675 \times 10^{-27} \ kg$.
To find the mass of $1$ mole of neutrons,we multiply the mass of a single neutron by Avogadro's number $(N_A = 6.022 \times 10^{23} \ mol^{-1})$.
Mass of $1$ mole = $1.675 \times 10^{-27} \ kg \times 6.022 \times 10^{23} \ mol^{-1} = 1.0088 \times 10^{-3} \ kg$.