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11 Cards in this Set
- Front
- Back
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What happened to the Lemonade when we increased the amount of powder in the water? |
The water became darker, denser, and more concentrated. Also, the taste became stronger. |
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What happened to the Lemonade when we put a limited amount of solute (powder) in the solvent (water)? |
The water (solvent) was not as dark, was lighter and was diluted. Also the taste was weaker. |
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How can a balance help you measure the concentration of a solution? |
A balance can help you determine which solution is more concentrated. First you have to have the SAME volume of each solution. Then you can weigh them on a balance. The heavier one is the more concentrated one. |
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How can you determine if three solutions have different concentrations? (Think back to when we tested our 3 mystery solutions) |
You can determine if three solutions have different concentrations by taking the same volume of each solution and weighing and comparing them on a balance. The heaviest one will be the most concentrated. |
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Which would be more concentrated? 50 ml of water with 1 spoon of salt or 50 ml of water with 3 spoons of salt. Why? |
50 ml of water with 3 spoons of salt because the water amount is the same in both solutions, but the solute (salt) is three times more. |
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If you are in a swimming pool and your eyes are burning, what is probably true about the solution of the chlorine and pool water? |
The pool water has a high or strong concentration of chlorine. |
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What are examples of scientific thinking and processes? |
- conducts investigations -observes -communicates -compares (different solutions) -organizes (most concentrated to least concentrated) -relates to previous learning (solute, solvent, saturation) -work cooperatively with others. |
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Concentration |
the amount of material dissolved in a measure of a liquid |
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Dilute |
to make a solution less concentrated, usually by adding more liquid |
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Volume |
the three-dimensional space occuped by something |
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solubility |
the property that substances have of dissolving in solvents (ex. salt in water vs. citric acid in water) |
