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Osmose i en pastinak:

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by

line hybholt

on 23 October 2015

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Transcript of Osmose i en pastinak:

Osmose i en pastinak:
- Gruppe 3

Teori:
Forskellige osmotiske tryk:
Hypotonisk tryk:

Hypertonisk tryk:

Isotonisk tryk:
Hypoteser:
Kop nr. 1:
Kop nr. 2:
Kop nr. 3:
Kop nr. 4:
Kop nr. 5:
- 100% vand
- 98% vand, 2% salt
- 96% vand, 4% salt
- 98% vand, 2% sukker
- 96% vand, 4% sukker
Materialeliste:
Pastinak
Skalpel
Propbor
Skydelære
10ml cylinderglas
Vægt
Salt



Sukker
Etikketter
Plastikfilm
Plastikkrus
Demineraliseret vand
Metode:
Resultater:
Vægtændringen ift. saltkoncentration:
Vægtændringen ift. sukkerkoncentrationen:
Fejlkilder:
Diskussion:

Konklusion:
Osmose i hverdagen:
Et nyt muligt forsøg:

Kan hypoteserne bekræftes, eller må de forkastes?
- Kan vi gøre noget bedre?
?
?
?
Full transcript