8th - Flashcard (6.1 & 6.2)

Flashcard
•
Science
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the concentration percentage of a solute in a solution?
Back
Concentration (%) = (mass of solute / mass of solution) x 100
2.
FLASHCARD QUESTION
Front
If a solution contains 200g of water and 15g of sugar, what is the concentration percentage of sugar?
Back
7.5%
3.
FLASHCARD QUESTION
Front
What happens to the concentration of a solution when more solute is added?
Back
Concentration increases.
4.
FLASHCARD QUESTION
Front
What is a solute in a solution?
Back
The substance that is dissolved, e.g., salt in saltwater.
5.
FLASHCARD QUESTION
Front
What distinguishes a solution from a suspension?
Back
Solutions have particles that are completely dissolved, while suspensions have larger particles that can settle.
6.
FLASHCARD QUESTION
Front
Why is it difficult to separate components of a solution?
Back
Because the solute particles are too small and evenly distributed.
7.
FLASHCARD QUESTION
Front
What is a colloid?
Back
A mixture where tiny particles are dispersed but do not settle out, e.g., milk.
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