Overlay - Carrot disc osmosis experiment - specimen results
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Table for carrot discs expt - with actual results

SOLUTION A B C D E F
Molarity 0.00 M 0.15 M 0.30 M 0.45 M 0.60 M 0.75 M
(i.e.
strength)
(pure
water)
(increasingly more concentrated
sodium chloride solutions ->)
Mass at
start /g
> 15.1 > 18.1 > 23.3 > 19.2 > 22.7 > 13.9
Mass at
end /g
> 15.5 > 18.2 > 22.8 > 18.0 > 21.1 > 12.7
start : end
ratio
>0.97 >0.99 >1.02 >1.07 >1.08 >1.09
start : end
ratio - other
benches
>0.97
>0.98
>0.93
>1.00
>0.98
>0.98
>1.04
>1.00
>1.00
>1.04
>1.09
>1.03
>1.04
>1.06
>1.06
>1.06
>1.05
>1.05
MEAN
VALUE
>0.94 >0.99 >1.015 >1.06 >1.05 >1.06

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This table is normally accessible via a unit on osmosis in carrot discs.
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