Since 9.1 x ${{10}^{-28}}$ g is the mass of 1 electron.

Therefore, 1 g is the mass of 1/9-1 x${{10}^{-28}}$= 1.09 x ${{10}^{27}}$ electrons

Since 9.1 x ${{10}^{-28}}$ g is the mass of 1 electron.

Therefore, 1 g is the mass of 1/9-1 x${{10}^{-28}}$= 1.09 x ${{10}^{27}}$ electrons