Osmosis required practical Flashcards

1
Q

What is the first step of this practical?

A

Cut a potato into identical cylinders and get beakers with different solutions in them- one should be pure water and one should be a sugared down solution- there could be a few others between the concentration of 0.2,0.4,0.6

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2
Q

What is the second step within this practical?

A

Measure the mass of the cylinders, leave one cylinder in each beaker for 24 hours also

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3
Q

Third step of this practical?

A

Take cylinders out and dry them with a paper tower and measure their masses again

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4
Q

What is the fourth step of this practical?

A

If the cylinders have drawn in water by osmosis they would have increased in mass- if water has been drawn out they would have decreased in mass

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5
Q

Dependent variable?

A

chip mass

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6
Q

Independent variable?

A

Concentration of the sugar solution

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7
Q

What should the other variables do?

A

Be kept the same

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8
Q

How can you reduce the errors within the practical?

A

You should be able to repeat the practical

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