Question A8 A student cut several tubes of potato tissue, all similar in length. She weighed them all and recorded the mass. She placed each tube of potato tissue in a dish containing a sodium...

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Extracted text: Question A8 A student cut several tubes of potato tissue, all similar in length. She weighed them all and recorded the mass. She placed each tube of potato tissue in a dish containing a sodium chloride (salt) solution. She used three different tubes of potato in each salt solution. The potato tubes were left in the dish overnight. After this, the potato tubes were removed from the dishes and weighed again. The table shows the results the student obtained. Sodium Mass at Mass at end/g % change in Мean % chloride start/g change in mass solution/M mass 1.93 1.42 -26.42 1.00 1.88 1.31 -30.32 -26.51 2.02 1.56 -22.77 1.98 1.42 -28.28 0.75 2.09 1.46 -30.14 -30.25 2.01 1.36 -32.14 2.02 1.38 -31.68 0.50 2.00 1.47 -26.50 -28.56 2.00 1.45 -27.50 2.01 1.98 -1.49 0.25 1.98 1.86 -6.06 -3.02 2.01 1.98 -1.49 2.04 2.48 21.57 0.00 1.98 2.46 24.24 +18.47 1.98 2.17 9.60 a) Plot a graph to show the mean % change in mass of potato in different salt solutions. b) Suggest and explain how you could use your graph to estimate the salt solution with the same water potential as the potato tissue. IF c) Use water potential terminology to explain why the potato tubes placed in 1.0OM salt solution lost mass. The student calculated the percentage change in d) mass, rather than the loss in mass in g. Explain why.