Osmosis: Water Research Paper

biology sbi4uo-a

Osmosis and Diffusion Laboratory

By: Elora Hobbin

Group Members: Ashley Riley-Roy and Adam Reynolds



Osmosis and diffusion will be two types of procedures that are critical for cell your survival. Diffusion may be the movement of molecules from an area better concentration to the area of reduce concentration. Osmosis is the activity of water molecules throughout a cell's membrane. Both of these procedures support a cellular to survive mainly because they maintain homestasis. (Diffusion) Homestasis may be the steady or balanced express of a cell. (Diffusion) It is therefore important to find what conditions will make these kinds of procedures happen to their greatest abilities. There are many variables in nature which include temperature, concentration levels, volume level and time. In the subsequent report two temperatures all of us examined along with 2 different concentration levels. Right now there includes a hot, 60 degrees, and frosty, 5 certifications, temperature and an undiluted and diluted solution pertaining to both. The 2 constant factors in this research were the quantity, 250 mL of water, and the time, 40 moments, checking just about every 10 minutes. This experiment was performed to look for the optimal conditions for when ever osmosis and diffusion arise. Hypothesis:

Part A: The potassium permanganate will diffusion more consistently in hot water compared to the chilly water because water substances move faster when they are hotter. Part W: The " sausage” with the greatest change because of osmosis will be tube C which can be undiluted hammer toe syrup within a hot water bathroom. The reason for this is because the focus gradient between your substance in the " sausage” and the drinking water is the greatest and molecules push faster when the temperature is hotter. Elements:

Distilled drinking water - cold (5 degrees)

- hot (60 degrees)

crushed ice30mL diluted corn syrup

two times Petri dish30mL undiluted corn syrup


100mL managed to graduate cylinderhot menu

Potassium permanganateglass funnels

4x 15 centimeter dialysis tubing2x 250mL beakers


Portion A:

1 . Hot water and cold drinking water were placed in separate Petri dishes and after that placed on a blank piece of paper. 2 . 2 drops of potassium permanganate had been placed in the middle of consume Petri dish 3. Through the following half an hour the dishes were observed routinely. Observations and changes had been jotted straight down.

Portion B:

1 . In order for the dialysis tubes to get opened they were bathed and massaged. 2 . The shut down end was tied using a string to ensure it would stay closed. 3. Two dialysis tubes were filled with the diluted hammer toe syrup option. Any atmosphere bubbles were removed as well as the other end was tied having a string. Both equally " sausages” were about the same span. 4. Step 3 was repeated with the undiluted corn thick syrup.

5. 50ml of normal water was placed into a graduated cylinder, then this volume of the sausages had been recorded employing water displacement. 6. The first appearance of each sausage was described and recorded inside the observation graph. 7. Two 250mL had been filled with 250mL of water to form the and cold water bathing. Sausage A and C were put into a warm water bath and B and D had been placed in a chilly water bath. 8. The water beaker was put on a sizzling plate to take care of the temp of 70 degrees. The cold water beaker was placed in a great ice drinking water bath to keep up the heat of 5 degrees. 9. Each sausage was observed every 5 minutes after the starting. They were also measured for volume and firmness which has been then upon the observation chart.


Part A – drawings

Part W – declaration chart

Period (mins)| IKKE- Dilute Hot| B- Thin down Cold| C- Undiluted Warm | D- Undiluted Cold| 0 min| Volume- 12mLDescription- very soft, when forcing against the sausage can press fingers together-light yellowish colour| Volume- 12mLDescription- very smooth, when forcing against the sausage can press fingers together-light yellowish colour| Volume-...


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