Cells RQP- effect of range of concentrations of salt or sugar solutions on mass of plant tissues

Question 1

step 1

Answer 1

cut equal sized potato cylinders

Question 2

step 2

Answer 2

blot with tissue paper and weigh each one

Question 3

step 3

Answer 3

put each cylinder into a different concentration of sucrose solution (e.g. 0.2 mol/dm3, 0.4 mol/dm3, 0.6 mol/dm3) and put one in distilled water (0.0 mol/dm3 concentration), keeping track of which cylinder is in which solution

Question 4

step 4

Answer 4

remove the potato cylinders, blot with tissue paper and reweigh each one

Question 5

percentage change in mass formula

Answer 5

[(end mass - start mass)/ start mass]