5 As you increase the water\'s temperature, the solutbility of salt... Increases
ID: 492050 • Letter: 5
Question
5 As you increase the water's temperature, the solutbility of salt...
Increases
Decreases
Does not change
No correlation was tested in this experiment
6 Suppose you find that you are able to dissolve 700.0 grams of salt in 2.0 L of water at 25o C. What is the measured solubility of salt in water? Answer in units of grams solute per kilogram solvent. The total solubility of salt at this temperature is _________ grams of salt per kilogram of water.
7 Suppose you find that you are able to dissolve 700 grams of salt in 2.0 L of water at 25o C. The expected amount is 360 grams per kilogram. What is your percent error for this experiment? Note: you do not need to include any minus (-) or percentage (%) signs in your answer. The absolute value of the percent error is _______ %.
8 You have 1.0 L of water at 25o C. The water is currently fresh water with nothing disolved in it. You begin adding salt in increments of 25 grams. On the 15th increment—amounting to 375 total grams of salt added, you notice that you are no longer able to dissolve all of the salt, and none of the salt from the 16thincrement seems to dissolve. You repeat this procedure, again starting with 1.0 L of fresh water, but this time at 30o C. Again, you find that on the 15th interval, not all of the salt gets dissolved, and on the 16thincrement none of the salt seems to dissolve. You repeat this procedure, again starting with 1.0 L of fresh water, but this time at 35o C. Again, you find that on the 15th interval, not all of the salt gets dissolved, and on the 16th increment none of the salt seems to dissolve. What does this tell you about the solubility of salt in water? Choose all which apply.
The solubility is the same for both 25o C and 30o C and 35o C
The solubility does not depend on temperature
You should repeat these three measurements with a smaller increment size, because the solubility of salt is not resolved for your chosen temperature range and mass increment size
The solubility is somewhere between 350 grams per kilogram and 375 grams per kilogram at all three temperatures
None of the above
Increases
Decreases
Does not change
No correlation was tested in this experiment
Explanation / Answer
5) With increasing temperature the solubility of salt in water is increases.
Hence correct option is Increases.
The increasing temperature increases the kinetic energy of the molecule and break the intermolecular forces.
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