University:
Augusta University
Course:
CHEM 1441 | General Chemistry
Academic year:

2021
Views:

408

Pages:

1
Author:

Killian Mata

Osmosis Lab Answers 3a. The eggs became heavier and smaller. 3b. Because there is more water in acetic acid, than there is in the egg, there is movement occurring within the molecules. The acetic acid and the egg wants to reach equilibrium. The water in the acetic acid will enter the egg, so that the water in the egg and the water in the acetic acid reach equilibrium. 4. Viscosity refers to the thickness of a liquid. Corn syrup is made up of fructose and glucose. Because it is made of many these, and they have a big molecular weight, the corn syrup is more viscous. Molecular weight corresponds to viscosity. 5. The appearance of the egg that has been in the corn syrup and that has been in the water are different. The egg that was placed in the corn syrup was smaller and weighed less. The appearance of the egg that had been in the water changed because it became bigger, with a greater circumference and a greater mass. 6. The water that can be seen at the top of the corn syrup is coming from within the egg because the egg is composed of 74% water and in order to obtain equilibrium, the water is leaving the egg. 7. There was a higher concentration of water inside the egg so it diffused out to a lower concentration in the corn syrup. This models a hypertonic solution. As the water leaves the egg, the egg decreased in size because it is shriveled up. It also lost weight because the water diffused out of the egg. 8. The egg placed in water got bigger and heavier because there is a higher concentration of water molecules outside than egg than inside the egg. This results in a hypotonic solution, where the water molecules move into the egg. This osmosis of water results for the additional weight and volume of the egg.

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