A student investigated the effect of placing zucchini discs in a concentrated sucrose solution.
| Zucchini disc | Mass at start in grams | Mass after 2 hours in grams | Change in mass in grams |
|---|---|---|---|
| X | 6.40 | 5.85 | -0.55 |
| Y | 6.15 | 5.63 | -0.52 |
| Z | 6.32 | 5.74 | -0.58 |
Explain why the zucchini discs decreased in mass.
