1.
If 9.1g9.1\,\text{g} of V2O5\mathrm{V_2O_5} is dissolved in acid and is reduced to V2+\mathrm{V^{2+}} by zinc metal, how many moles of I2\mathrm{I_2} could be reduced by the resulting solution, if it is further oxidised to VO2+\mathrm{VO^{2+}} ions? [Assume no change in state of Zn2+\mathrm{Zn^{2+}} ions] (Atomic masses: V = 51 u, O = 16 u, I = 127 u)