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Osmosis. Aim: To find the molarity of potato tubers cell sap. BIOLOGICAL KNOWLEDGE
- Essay length: 5993 words
- Submitted: 04/03/2005
The first 200 words of this essay...
TABLE OF CONTENTS
Biological Knowledge ... 3
Explanation ... 3
Types of solutions and its effects on plant cell ... 4
Factors affecting rates of osmosis ... 6
Outline Method ... 9
Apparatus ... 9
Materials ... 9
Risk Assessments ... 9
Precautions ... 9
Apparatus Diagrams ... 10
Factors to be controlled ... 11
Method ... 11
Calculations to be used ... 12
Predicted Results ... 12
Prior Test ... 13
Obtaining Evidence ... 16
Apparatus ... 16
Materials ... 16
Risk Assessments ... 16
Precautions ... 16
Method ... 17
Results obtained for Mass ... 18
Results obtained for Length ... 19
Analysis ... 21
Trends in the Bar charts ... 25
Scientific Explanation ... 25
Determination of molarity ... 28
How far I have reached my predicted results ... 30
Evaluation ... 32
Errors ... 32
Accuracy and reliability of my results ... 32
Extension work ... 33
Bibliography ... 33
INTRODUCTION
Biology Coursework
Aim: To find the molarity of potato
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