For the concentration cell $\mathrm{M}\left|\mathrm{M}^{+}\left(\mathrm{aq}, 0.01 \mathrm{mol} \mathrm{dm}^{-3}\right) \| \mathrm{M}^{+}\left(\mathrm{aq}, 0.1 \mathrm{mol} \mathrm{dm}^{-3}\right)\right| \mathrm{M}$ the EMF (E) of the cell at a temperature (T) equals