# Le Lesson 1.10 Hw (Diffusion Lab)

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Ionca
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These questions deal with diffusion. Answer them. If you fail the first time, READ THE EXPLANATION. It will help you the second time around.
REMEMBER: PERIOD# followed by FIRST & LAST NAME
(you must score at least 70)

• 1.

### Which solution will have no net change in its contents?  (INSIDE/OUTSIDE)

• A.

0% sugar / 25% sugar

• B.

5% sugar / 25% sugar

• C.

15% sugar / 25% sugar

• D.

25% sugar / 25% sugar

D. 25% sugar / 25% sugar
Explanation
There will be no net change in either sample because the concentrations are equal. Particles will move, but they won't make a difference, because they are balanced out.

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• 2.

### Which sample(s) will have a change in the content of the bag?

• A.

0% sugar / 25% sugar

• B.

5% sugar / 25% sugar

• C.

10% sugar / 25% sugar

• D.

15% sugar / 25% sugar

• E.

20% sugar / 25% sugar

• F.

25% sugar / 25% sugar

A. 0% sugar / 25% sugar
B. 5% sugar / 25% sugar
C. 10% sugar / 25% sugar
D. 15% sugar / 25% sugar
E. 20% sugar / 25% sugar
Explanation
If there is a difference in concentration, there will be a change in the content. All but one have differences. Only one wrong answer in this question.

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• 3.

### Which sample will see the greatest change in the content of its components?

• A.

0% sugar / 25% sugar

• B.

10% sugar / 25% sugar

• C.

20% sugar / 25% sugar

• D.

25% sugar / 25% sugar

A. 0% sugar / 25% sugar
Explanation
The greatest difference will see the greatest change in content. The concentration gradient (difference) is greatest in the 0%/25% sample, which means it will change the most.

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• 4.

### Which substance diffused through the membrane?

• A.

Blue food coloring, only

• B.

Yellow food coloring, only

• C.

Both blue and yellow food coloring

• D.

Neither blue nor yellow food coloring

C. Both blue and yellow food coloring
Explanation
YELLOW + BLUE = GREEN. Both had to move if both turned green. GET IT TOGETHER, FOLKS!!!

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• 5.

### Which substance(s) diffused through the membrane?

• A.

Blue food coloring, only

• B.

Yellow food coloring, only

• C.

Both blue and yellow food coloring

• D.

Neither blue nor food coloring

C. Both blue and yellow food coloring
Explanation
BOTH had to move. YELLOW + BLUE = GREEN.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Oct 10, 2012
Quiz Created by
Ionca

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