A student investigated the effect of concentration of sucrose solution on the mass of sweet potato cylinders.
Figure 1 shows the results.

Plan a method that could be used to obtain the results in Figure 1.
Explain the result for the sweet potato cylinders in the 0.8 mol/dm30.8 \text{ mol/dm}^30.8 mol/dm3 sucrose solution.
Explain why the percentage loss in mass at 0.8 mol/dm30.8 \text{ mol/dm}^30.8 mol/dm3 was greater than the percentage loss in mass at 0.5 mol/dm30.5 \text{ mol/dm}^30.5 mol/dm3.