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The solute

#1 A solution was made mixing 2 g of ice tea mix and water. What part of the solution is the water?. The solute. The solvent. A:. B:. The mixture. The mass. C:. D:. The solvent B. The solvent. #2 Which of the following is a pure substance?. steel. solder. A:. B:.

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The solute

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  1. #1 A solution was made mixing 2 g of ice tea mix and water. What part of the solution is the water? The solute The solvent A: B: The mixture The mass C: D:

  2. The solvent • B. The solvent

  3. #2 Which of the following is a pure substance? steel solder A: B: Sodium chloride milk C: D:

  4. C. Sodium Chloride

  5. #3 A solution is made of 5 g of salt and 10 mL of water. What is the MASS of the solution? 15 grams 5 grams A: B: 10 grams Not enough information C: D:

  6. 15 grams

  7. #4 Mass of jar at start 52 g Mass of jar at end 48 g How much salt was added to a test tube of water in this lab when trying to make a solution? 100 grams 4 grams A: B: 2.2 grams 9 grams C: D:

  8. B. 4 grams

  9. #5 How would the students in the previous lab know that the solution was saturated? The solution would be transparent It would be thick A: B: They could see salt at the bottom of the tube Add more salt and it would dissolve C: D:

  10. D. They could see salt at the bottom of the tube.

  11. #6 How do we find the solubility of a certain substance in a certain solvent? Heat it Freeze it and mass it A: B: See how much dissolves in the solvent before it is saturated. Filter it and measure the filtrate. C: D:

  12. See how much dissolves in the solvent before it is saturated. • (This would be approximate.)

  13. #7 On a chromatogram, a dot of ink did not change at all when placed in water. What can you conclude? The process was not done correctly. The ink is insoluble in water. A: B: It is made of only one Substance. The dot was too large. C: D:

  14. A. The ink is insoluble in water.

  15. #8 A dot of blue, orange, purple and red marker were placed on a chromatogram. Although the shapes of the ink were different, how could the forensic scientist know 2 of the markers contained some of the same EXACT dye. All markers have at least one of the same dyes in them. Two did not react A: B: One small part of the chromatogram of 2 inks looked the same. Two disappeared from the paper completely. C: D:

  16. One small • part of the 2 chromatograms • looked the same.

  17. #9 If I add salt to ice, which of the following would probably happen? The temperature falls, more water freezes. Temperature rises, ice melts. A: B: Temperature stays the same, ice melts. Temperature falls, ice melts. C: D:

  18. C. Temperature falls and ice melts.

  19. #10 If salt is added to boiling water, which of the following is probably the temperature of the boiling solution? 101 F 100 C A: B: 200 C 104 C C: D:

  20. D. 104 C

  21. #11 Which of the following occurs when salt water is boiled? Water evaporates Water dissolves A: B: Water dries Salt disappears C: D:

  22. Water • evaporates

  23. #12 Which of the following will pass through a filter leaving little or nothing behind. Obvious mixtures All solutes A: B: Cloudy liquids Solutions C: D:

  24. D. Solutions

  25. #13 Zinc oxide and water when filtered, left behind a white powder in the filter and just the water in the test tube. What is the white powder in the filter called? Filtrate Residue A: B: Solution Solute C: D:

  26. B. Residue

  27. #14 Which of the following is a good observation of the properties of a substance? It is a white crystalline solid that is soluble in water and non-magnetic It looks like white sugar. A: B: It looks like either sugar or salt because it is white and solid. It is crystals C: D:

  28. B. It is a white crystalline solid that is soluble in water and non-magnetic

  29. #15 Which of the following is NOT a Characteristic property of matter? Melting/freezing point Density A: B: Mass Solubility C: D:

  30. C. MASS!!!!

  31. Great Job!!!! Thank you for playing!

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