Review Unit 9 Solutions & Molarity

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Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is molarity?
Back
Molarity (M) is a measure of the concentration of a solute in a solution, defined as the number of moles of solute per liter of solution.
2.
FLASHCARD QUESTION
Front
How do you calculate the molarity of a solution?
Back
Molarity (M) = moles of solute / liters of solution.
3.
FLASHCARD QUESTION
Front
What is the formula to find the number of moles from molarity?
Back
Number of moles = Molarity (M) × Volume (L).
4.
FLASHCARD QUESTION
Front
If 54 mL of 0.1 M NaOH neutralizes 125 mL of HCl, how do you find the concentration of HCl?
Back
Use the formula: M1V1 = M2V2, where M1 and V1 are the molarity and volume of NaOH, and M2 and V2 are the molarity and volume of HCl.
5.
FLASHCARD QUESTION
Front
What is the concentration of HCl if 54 mL of 0.1 M NaOH neutralizes it?
Back
0.043 M.
6.
FLASHCARD QUESTION
Front
How does temperature affect the solubility of most solids?
Back
Solubility increases with an increase in temperature.
7.
FLASHCARD QUESTION
Front
What is an unsaturated solution?
Back
A solution that can still dissolve more solute.
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