Procedure
1. Mass 5.0 g samples of sucrose, sodium chloride, and potassium nitrate. Put each sample in a clean test tube.
2. Gently tap the test tube containing the sucrose on the counter to level the solid. Measure the height of the sucrose in the test tube using a metric ruler. Record the height in your data table.
3. Using your 10 mL graduated cylinder, add 10 mL water to the test tube. Stopper the test tube, and shake for two minutes to dissolve as much sucrose as possible.
4. Allow the undissolved sucrose to settle to the bottom of the test tube. Measure the height of the remaining solid. Record this information in your data table.
5. Repeat steps 2-4 using the samples of sodium chloride and potassium nitrate.
6. Fill a 400 mL beaker half full of water. Heat on a burner set on high. Place all three test tubes in the beaker. Place a thermometer in the test tube containing the sucrose. Heat the test tubes in the beaker until the thermometer reads 80 C. If the test tubes have been in the same water bath for the same amount of time, you can assume that the solutions in each are the same temperature.
7. Remove the test tubes from the water, and place them in test tube rack. Stir any mixture still containing solid. After the solids settle, measure and record the height of any undissolved solids remaining in each test tube.
Procedure1. Mass 5.0 g samples of sucrose, sodium chloride, and potassium nitrate. Put each sample in a clean test tube.2. Gently tap the test tube containing the sucrose on the counter to level the solid. Measure the height of the sucrose in the test tube using a metric ruler. Record the height in your data table.3. Using your 10 mL graduated cylinder, add 10 mL water to the test tube. Stopper the test tube, and shake for two minutes to dissolve as much sucrose as possible.4. Allow the undissolved sucrose to settle to the bottom of the test tube. Measure the height of the remaining solid. Record this information in your data table.5. Repeat steps 2-4 using the samples of sodium chloride and potassium nitrate.6. Fill a 400 mL beaker half full of water. Heat on a burner set on high. Place all three test tubes in the beaker. Place a thermometer in the test tube containing the sucrose. Heat the test tubes in the beaker until the thermometer reads 80 C. If the test tubes have been in the same water bath for the same amount of time, you can assume that the solutions in each are the same temperature.7. Remove the test tubes from the water, and place them in test tube rack. Stir any mixture still containing solid. After the solids settle, measure and record the height of any undissolved solids remaining in each test tube.
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Procedure
1. Mass 5.0 g samples of sucrose, sodium chloride, and potassium nitrate. Put each sample in a clean test tube.
2. Gently tap the test tube containing the sucrose on the counter to level the solid. Measure the height of the sucrose in the test tube using a metric ruler. Record the height in your data table.
3. Using your 10 mL graduated cylinder, add 10 mL water to the test tube. Stopper the test tube, and shake for two minutes to dissolve as much sucrose as possible.
4. Allow the undissolved sucrose to settle to the bottom of the test tube. Measure the height of the remaining solid. Record this information in your data table.
5. Repeat steps 2-4 using the samples of sodium chloride and potassium nitrate.
6. Fill a 400 mL beaker half full of water. Heat on a burner set on high. Place all three test tubes in the beaker. Place a thermometer in the test tube containing the sucrose. Heat the test tubes in the beaker until the thermometer reads 80 C. If the test tubes have been in the same water bath for the same amount of time, you can assume that the solutions in each are the same temperature.
7. Remove the test tubes from the water, and place them in test tube rack. Stir any mixture still containing solid. After the solids settle, measure and record the height of any undissolved solids remaining in each test tube.
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