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practicals
paper 1
osmosis
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Emily
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Cards (5)
what is the equipment needed for the osmosis practical?
beakers
,
potatoes
and the
2
solutions
method for osmosis practical:
cut up the potato into 3
identical
cylinders and measure the mass with a
balance
add to 3 beakers with different
concentrations
of sugar solution
leave for a day
then take them out to dry and measure their masses again
then calculate the
percentage
difference
what is the dependent variable of the osmosis practical?
the
potato mass
what is the independent variable of the osmosis practical?
the
concentration
of the
sugar solution
what is a control of the osmosis practical?
potato