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1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

6. Chemical Quantities & Aqueous Reactions

Molarity

General Chemistry

6. Chemical Quantities & Aqueous Reactions

Molarity

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Multiple Choice

Which formula is used to calculate the molarity of a solution?

Molarity = grams of solute / milliliters of solution

Molarity = moles of solute / milliliters of solution

Molarity = grams of solute / liters of solution

Molarity = moles of solute / liters of solution

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Verified step by step guidance

Understand the concept of molarity: Molarity is a measure of the concentration of a solute in a solution, expressed as the number of moles of solute per liter of solution.

Identify the correct formula for molarity: Molarity (M) is calculated using the formula \( M = \frac{\text{moles of solute}}{\text{liters of solution}} \).

Recognize the units involved: Moles are a unit of quantity for the solute, and liters are a unit of volume for the solution.

Distinguish between the incorrect options: The other options incorrectly use grams or milliliters, which are not appropriate for calculating molarity.

Apply the formula: To find the molarity, you need to know the number of moles of solute and the volume of the solution in liters, then divide the moles by the liters.