Chemistry - Mole Concept Question with Solution | TestHub

$1\mathrm{u}=1.66\times 10^{-24}\mathrm{g}$ $=1.66\times 10^{-27}\mathrm{kg}$ $$=1.66\times 10^{-27}\times {\left(3\times 10^8\right)}^2\mathrm{kg}{\mathrm{m}}^2{\mathrm{s}}^{-2}\left(\because E=m{c}^2\right)$$ $=1.494\times 10^{-10}\mathrm{J}$