What is molality?
Semester Two Chemistry Review

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Science
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Molality (m) is a measure of the concentration of a solute in a solution, defined as the number of moles of solute per kilogram of solvent.
2.
FLASHCARD QUESTION
Front
How do you calculate molality?
Back
Molality = moles of solute / kilograms of solvent.
3.
FLASHCARD QUESTION
Front
What is the formula to find moles from molarity and volume?
Back
Moles = Molarity (M) x Volume (L).
4.
FLASHCARD QUESTION
Front
What is the relationship between pH and pOH?
Back
pH + pOH = 14.
5.
FLASHCARD QUESTION
Front
What does a pH greater than 7 indicate?
Back
A pH greater than 7 indicates a basic (alkaline) solution.
6.
FLASHCARD QUESTION
Front
What does a pH less than 7 indicate?
Back
A pH less than 7 indicates an acidic solution.
7.
FLASHCARD QUESTION
Front
What happens to the molecules in a substance when thermal energy is added?
Back
The molecules move faster and space themselves farther apart.
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