Question

Use the hypothetical experiment below. Cinderella places 3 eggs into vinegar. The vinegar, which is about 4% acetic acid, dissolves the calcium carbonate shells off the eggs. The now "naked" eggs are still intact and are held together by the two fragile membranes inside the shell. Cinderella weighs each egg and the mass of each egg is roughly 80 grams. Next, Cinderella places each egg into a beaker. Each beaker contains a different solution. Beaker 1: distilled water Beaker 2: 10% sucrose solution Beaker 3: 40% sucrose solution. Step 1: Indicate below which solution is hypertonic compared to the egg, which is hypotonic compared to the egg, and which is isotonic compared to the egg. Step 2: Write 3 different hypotheses, one for each egg, about what will happen to the mass of the egg over time as it sits in the solution in the beaker. Predict what will happen to the mass of each egg in the different beakers if your hypotheses are supported and explain why the mass would change in that manner.

          Use the hypothetical experiment below. Cinderella places 3 eggs into vinegar. The vinegar, which is about 4% acetic acid, dissolves the calcium carbonate shells off the eggs. The now "naked" eggs are still intact and are held together by the two fragile membranes inside the shell. Cinderella weighs each egg and the mass of each egg is roughly 80 grams. Next, Cinderella places each egg into a beaker. Each beaker contains a different solution.
Beaker 1: distilled water
Beaker 2: 10% sucrose solution
Beaker 3: 40% sucrose solution.
Step 1: Indicate below which solution is hypertonic compared to the egg, which is hypotonic compared to the egg, and which is isotonic compared to the egg.
Step 2: Write 3 different hypotheses, one for each egg, about what will happen to the mass of the egg over time as it sits in the solution in the beaker. Predict what will happen to the mass of each egg in the different beakers if your hypotheses are supported and explain why the mass would change in that manner.

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Added by Natasha B.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Jenny Wu

06/21/2022

Step 1

The hypotonic solution compared to the egg is the distilled water, as it has a lower concentration of solutes than the egg. The isotonic solution compared to the egg is the 10% sucrose solution, as it has an equal concentration of solutes as the egg. **Step 2:** Show more…

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Use the hypothetical experiment below. Cinderella places 3 eggs into vinegar. The vinegar, which is about 4% acetic acid, dissolves the calcium carbonate shells off the eggs. The now "naked" eggs are still intact and are held together by the two fragile membranes inside the shell. Cinderella weighs each egg and the mass of each egg is roughly 80 grams. Next, Cinderella places each egg into a beaker. Each beaker contains a different solution. Beaker 1: distilled water Beaker 2: 10% sucrose solution Beaker 3: 40% sucrose solution. Step 1: Indicate below which solution is hypertonic compared to the egg, which is hypotonic compared to the egg, and which is isotonic compared to the egg. Step 2: Write 3 different hypotheses, one for each egg, about what will happen to the mass of the egg over time as it sits in the solution in the beaker. Predict what will happen to the mass of each egg in the different beakers if your hypotheses are supported and explain why the mass would change in that manner.

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Transcript

00:01 So this question is talk about the tonicity of the egg.

00:06 So cinderella has three eggs, and she put the eggs into the vinegar to get rid of the shell of the egg, and then the naked egg now held up together by some fragile membrane.

00:18 So then cinderella put each egg into a beaker.

00:23 The beaker has different solutions.

00:25 The first one has the seal water.

00:27 The second has 10 % sucrose, and the third.

00:30 Third has 40 % sucrose.

00:32 So the question asks you to indicate which solution is hyper, hypo and isotonic solution to the egg.

00:38 And it also asks you to write up three hypotheses to predict how the water is going to go in out of the egg through the membrane and how this is going to affect the mass of the egg.

00:51 So first of all, let's take a look.

00:54 Let's look at the definition of hypotonic solution.

00:57 A hypotonic solution meaning that the solution, has a concentration of sucrose that is lower than egg.

01:04 So according to three, the concentration of the three solutions in the vicar, distilled water should have the lower concentration because there's no sucrose at all.

01:14 So a hypototic solution here will be distilled water.

01:19 And it has a lower concentration of sucrose than the egg.

01:24 A hypotonic solution meaning that concentration of sucrose is higher than egg.

01:29 Out of the three solutions, 40 % percent, sucrose should have the higher concentration than inside of the egg.

01:45 So this is a hypertonic solution...

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