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SBGCC L18M Q1

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SBGCC L18M Q1

icarus July 9, 2024

[icarus-custom-lesson-iframe src=”https://phet.colorado.edu/sims/html/molarity/latest/molarity_en.html” title=”PhET Interactive Simulations | L18 Molarity”]

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Question 1 of 11

1. Question
What is solute concentration?
- The amount of solvent in a solution.
- The amount of solute in a solution.
- The amount of both solvent and solute in a solution.
- The ability of a solution to dissolve a solute.
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Question 2 of 11

2. Question
What is a solution?
- A mixture of two or more substances that is uniform throughout.
- A mixture of two or more substances that is non-uniform throughout.
- A pure substance made up of only one type of molecule.
- A substance that cannot be dissolved in a solvent.
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Question 3 of 11

3. Question
What is molarity?
- The amount of solvent in a solution.
- The amount of solute in a solution.
- The number of moles of solute per liter of solution.
- The ability of a solution to dissolve a solute.
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Question 4 of 11

4. Question
What is the difference between a dilute solution and a concentrated solution?
- A dilute solution has a higher solute concentration than a concentrated solution.
- A dilute solution has a lower solute concentration than a concentrated solution.
- A dilute solution has the same solvent concentration as the concentrated solution.
- A dilute solution has a lower solvent concentration than a concentrated solution.
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Question 5 of 11

5. Question
What is the effect of temperature on aqueous solubility of gases?
- Solubility increases with increasing temperature.
- Solubility decreases with increasing temperature.
- Solubility remains the same with changing temperature.
- The gas becomes water-insoluble as T decreases.
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Question 6 of 11

6. Question
What is milli-molarity?
- The number of milli-moles of solute per liter of solution.
- The amount of solvent in a solution.
- The number of moles of solute per liter of solution.
- The number of liters of solvent per mole of solute.
Correct

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Question 7 of 11

7. Question
What is the unit of molarity?
- moles per liter (mol/L)
- grams per liter (g/L)
- moles per gram (mol/g)
- grams per mole (g/mol)
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Question 8 of 11

8. Question
How is molarity calculated?
- Molarity = (amount of solute / amount of solvent) × 100%
- Molarity = amount of solute × amount of solvent
- Molarity = number of moles of solute / volume of solution in liters
- Molarity = volume of solution in liters / number of moles of solute
Correct

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Question 9 of 11

9. Question
What is the molarity of a solution that contains 0.5 moles of solute in 2 liters of solution?
- 0.25 M
- 1 M
- 2 M
- 4 M
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Question 10 of 11

10. Question
What is the volume of a 0.5 M solution that contains 0.1 moles of solute?
- 0.05 L
- 0.2 L
- 0.5 L
- 2 L
Correct

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Question 11 of 11

11. Question
What is the volume of a 0.5 M solution that contains 0.2 moles of solute?
- 0.1 L
- 0.4 L
- 0.5 L
- 1 L
Correct

Incorrect

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