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science
ms investiagtion 3
| Question | Answer |
|---|---|
| A student makes three solutions using the same solid. Here are the recipes. Which solution is the most concentrated? Solid Liquid Solution A 20 g 100 mL Solution B 25 g 100 mL Solution C 30 g 100 mL | c |
| A student makes three solutions using the same solid. The recipes are above. Which solution is the least concentrated? Solid Liquid Solution A 20 g 100 mL Solution B 25 g 100 mL Solution C 30 g 100 mL | a |
| student makes two solutions. Solution 1= 100 mL of water and 24 g . Solution 2 = 50 mL of water and 12 g of the same solid. She puts the two cups on either side of a balance to see which is more concentrated. What is wrong with this student’s procedure | She did not use equal volumes |
| Solution 1 has 2 spoons of salt and 50 mL of water. Solution 2 has 4 spoons of salt and 100 mL of water. Solution 3 has 6 spoons of salt and 150 mL of water. Which solution is most concentrated? | Same amounts |
| Red solution has a mass of 22 g. Yellow solution has a mass of 15 g. Green solution has a mass of 20 g. Blue solution has a mass of 10 g. All solutions are made with 10 mL of water. How would these solutions layer in a straw? | Blue yellow green red |
| Explain why the layers in your “Layering Salt Solutions” lab layered the way they did | The solution with the more salt is more concentrated which leaves it on the bottom and the solution with less salt is more desene which leaves it on the bottom. |
| A student makes two solutions of salt and 100 mL of water. He puts 50 mL in one cup, and 50 mL second cup. He then puts the two cups on a balance. Solution A is lower on the balance compared to Solution B. Which solution is more concentrated? | Solution A |
| A student makes two solutions of salt and 100 mL of water. He puts 50 mL of Solution A in one cup, and 50 mL of Solution B in a second cup. He then puts the two cups on a balance. Solution A is lower on the balance to Solution B. Which has more salt? | Solution A |
| student makes two solutions of salt and 100 mL of water. He puts 50 mL of in one cup, and 50 mL in a second cup. two cups on a balance. Solution A is lower on the balance compared to Solution B. True or False: solution in Cup B is greater than 50 grams | True |
| You are making Kool Aid. Describe how the concentration of the Kool Aid changes as you add more spoons of solute. | The concentration changes because as you add more powder the concentration of the solution increases |
| Solution 1 has 2 spoons of salt and 100 mL of water. Solution 2 has 5 spoons of salt and 200 mL of water. Which solution is more concentrated? | Solution 2 |
| Ocean water has more salt compared to river water. If you had a cup of ocean water and a cup of river water and combined them, which would layer on top? | River water |
| I made one pitcher of Kool Aid with 3 spoons of powder and 1000 mL of water and a second pitcher with 1 spoon of powder and 1000 mL of water. Which recipe will be sweeter? | The first pitcher |
| I made one pitcher of Kool Aid with 2 spoons of powder and 1000 mL of water and a second pitcher with 2 spoons of powder and 500 mL of water. Which recipe will be sweeter? | The second pitcher |
| If a solution contains very little solute, how would you describe it? | Dilute |
| If a solution has a lot of solute, how would you describe it? | Concentrated |
| What is the ratio of solute to solvent in a solution? | Concentration |
| You have 60 mL of solution A and 70 mL of solution B. How could you use a balance to determine which solution is more concentrated? | To compare the solutions and which one is heavier and more concentrated. |
| 50 mL of Solution X has a mass of 75 g. 50 mL of Solution Y has a mass of 80 g. Which one is more concentrated? | Solution Y |
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puppylover33
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