Aim: My aim is to find the sodium chloride concentration in an number potato and I will do it by analyze the interaction of osmosis between the potato and glasses of water with contrastive concentrations of salt.
Equipment
1 measuring cylinder
10 boiling tubes
10 bungs
Plan
Firstly, pour out ten equal amounts of the salt theme into the ten boiling tubes so that in the finish each boiling tube will contain 50mm of the 10% salt solution. After that, I will diverseness 9 of the 10% salt solutions into 9%, 8%, 7%, 5%, 3%, 1%, 0.5%, and 0.01% solutions. To change 50mm of 10% salt solution into a 7% salt solution, I pour (5 x (10-7)) mm of salt solution out and then(prenominal) I add (5 x (10-7)) mm of distilled water into the certain solution. To change 50mm of 10% salt solution into an 0.5% salt solution, I pour (5 x (10-0.5)) mm of salt solution out and then I add (5 x (10-0.5)) mm of distilled water into the current solution. So if n is the percentage of the salt I am trying to turn the 10% salt solution into (where is an integer and smaller than 10), then I pour (5 x (10-n)) mm of salt solution out and I add (5 x (10-n)) mm of distilled water into the solution afterwards.
Secondly, After I fork over finished with the pouring, I add a bung on each of the ten boiling tubes with the solutions inside and I tingle hard so the salt will be more than equally distri stilled among the solution.
Thirdly, After I have a 10%, 9%, 8%, 7%, 5%, 3%, 2%, 1%, 0.5%, and 0.1% salt solution, I cut out 10 equally sized strips of potatoes. I will pour a bit of each density out so there...
Nice essay, but I dont think potatos have salt rates get down than 0.1% impossible right?
But still, this is a clear, structured study for references.
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