Mixtures and Solutions Investigation 1 Study Guide

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Mixtures and Solutions Investigation 1 Study Guide
Know the Vocabulary from Investigation 1 part 1, part 2, and part 3.
1. What is a mixture? And provide at least 3 examples.
2. What is the difference between a mixture and a solution? Provide an example of a
solution.
3. How many grams are in 1 milliliter?
4. 10 grams of salt is completely dissolved in 95 mL of water. What is the total mass (in
grams) of the salt water solution?
5. If the salt solution from question 4 is heated on the stovetop and the water is evaporated,
how many grams of salt remain?
6. Describe, or draw, what a salt crystal looks like?
7. What is the best way to separate water from a salt water solution?
8. What is the best way to separate diatomaceous earth (powder) from a mixture with water?
9. What is the best way to separate gravel from a mixture with water?
10. Magnetite can be extracted from a mixture using what?
11. Which would weigh more: a cup of 100 mL of water or a cup of 100 mL of water and 5
grams of salt that is completely dissolved?
12. Sand, iron filings, and salt are mixed together in a cup. You want to separate the mixture
into its individual pieces. Describe the steps, in order, you would need to do to separate
them. (Hint: there are four steps)
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