Day 7

Day 7
Again, following the same trends as from Day 4 and 5 where the colour of the solution has stayed the same but more rust has seemingly so become more apparent. Observations made note of day 4 in terms of the “ranking” of the amount of the rusting has stayed the same. 

                                          All 15 Experiments on the 7th Day and their solutions

Again, the comparison of the 0.65M Nails with the 0M: it can be seen that the nail in the 0.65M has slight more rust evident on the nail 

The Same Comparison (from an aerial view) 0.65M Nail is the one on the right