1.3 Transport in cells

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Question 3
Hard

A student investigated the effect of the concentration of sodium chloride solution on the mass of butternut squash discs.

Figure 1 shows the results.

Figure 1

a.

Plan a method that could be used to obtain the results in Figure 1.

[6]
b.

Explain the result for the butternut squash discs in the 0.6 mol/dm30.6 \text{ mol/dm}^30.6 mol/dm3 sodium chloride solution.

[3]
c.

Explain why the percentage loss in mass at 0.6 mol/dm30.6 \text{ mol/dm}^30.6 mol/dm3 was greater than the percentage loss in mass at 0.4 mol/dm30.4 \text{ mol/dm}^30.4 mol/dm3.

[2]

1.3 Transport in cells Questions

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