What is molarity?
HONORS: Molarity of Solutions & Dilutions

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•
Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Molarity (M) is a measure of concentration defined as the number of moles of solute per liter of solution.
2.
FLASHCARD QUESTION
Front
How do you calculate molarity?
Back
Molarity (M) = moles of solute / liters of solution.
3.
FLASHCARD QUESTION
Front
What is a solvent?
Back
A solvent is a substance that dissolves a solute, resulting in a solution. Example: Water.
4.
FLASHCARD QUESTION
Front
What happens to molarity when a solution is diluted?
Back
When a solution is diluted, the volume increases and the molarity decreases.
5.
FLASHCARD QUESTION
Front
What is the formula for dilution?
Back
C1V1 = C2V2, where C1 and V1 are the concentration and volume of the stock solution, and C2 and V2 are the concentration and volume of the diluted solution.
6.
FLASHCARD QUESTION
Front
If you have 1.0 M KCl and dilute it to 2.0 L, what is the new molarity if you add 1.0 L of water?
Back
The new molarity will be 0.67 M.
7.
FLASHCARD QUESTION
Front
What is the molarity of a solution made by dissolving 2 moles of NaCl in 1 L of water?
Back
The molarity is 2 M.
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