In the galvanic cell al(s) ǀ al3+(aq, 1 m) ǀǀ cu2+(aq, 1 m) ǀ cu(s) which of the following changes will increase the cell potential? i. dilution of the al3+ solution to 0.001 m ii. dilution of the cu2+ solution to 0.001 m iii. increasing the surface area of the al(s) electrode (a) i only (b) ii only (c) iii only (d) i and iii only