My science fair project is to find the solubility of salt and sand.Solubility is the measure of how much solute can dissolve in a given solvent at a given temperature.A solute is the part of a solution that is dissolved by a solvent.A solvent is the part of a solution that is usually present in the largest amount and dissolves a solute.A solution is a mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another.
The solubility of a substance depends on the used solvent and the temperature and pressure. Solubility results from simultaneous and opposing dissolution and phase joining.To dissolve is to break into smaller pieces.Even if something’s dissolved, the solute is still there.When something is insoluble, you can’t dissolve it, and you can see it floating on the surface of the water.
Solubility should not be confused with the ability to dissolve a substance.The solution might occur not just because of dissolution, but of chemical reaction.For most solids dissolved in liquid water, the solubility increases up to 100 degrees celsius.Solubility is commonly expressed as a concentration.The solubility of a substance is determined by using water, and mixing it with the solute.
A chemical is a substance used in a chemical process.Everything that has mass is a chemical.Anything that is matter is a chemical. Filtration is the process of separating solid particles from fluids.To evaporate is to change from a solid or liquid to vapor.Alcohol is soluble in water.However, oil is insoluble in water.
All compounds of the alkali metal elements are soluble.All ammonium salts are soluble.All hydroxide compounds are insolu...
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...row.Place a coffee filter in a funnel.Place the funnel in the top of the second glass canning jar.Slowly pour the solution over the filter,but not too much.Let it collect in the jar.Looking at the coffee filter,what do you see?Record your observations in the “Observations after separation” section.Carefully scrape off any particles on the filter with a spoon and put them in the first jar.
Have an adult get a cookie sheet and place the two jars on it.Bake the jar at 325 degrees fahrenheit,until all the water has evaporated.This may take over an hour.Turn off the oven to cool it down for at least and hour.After the oven has cooled down,carefully remove the jars.Once they are cooled down,use your magnifying glass to make observations of the two glass jars.Then carefully use the graduated cylinder or measuring cup to measure the amount of salt and sand left over.
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