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Determine why crystals form if you evaporate water from the beaker when it contains a saturated solution.The solution already contains as much solute as it can so if solvent is removed then some of the bath salts must come out of solution as wellSaturated solutions always form crystalsRemoving solvent from any solution forms crystalsThe only way to make crystals is to add more bath saltsI'm not sure

Question

Determine why crystals form if you evaporate water from the beaker when it contains a saturated solution.The solution already contains as much solute as it can so if solvent is removed then some of the bath salts must come out of solution as wellSaturated solutions always form crystalsRemoving solvent from any solution forms crystalsThe only way to make crystals is to add more bath saltsI'm not sure

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Solution 1

Crystals form when you evaporate water from a beaker containing a saturated solution due to the process of crystallization. Here's the step-by-step explanation:

  1. A saturated solution is a solution that contains the maximum amount of solute that can be dissolved in a solvent at a given temperature and pressure. In this case, the solute is the bath salts.

  2. When you evaporate the water (solvent), the amount of solvent in the solution decreases. However, the amount of solute (bath salts) remains the same.

  3. As the solvent decreases, the solution becomes supersaturated. A supersaturated solution contains more solute than can be dissolved in the solvent under normal conditions.

  4. The excess solute (bath salts) in the supersaturated solution starts to separate out from the solution. This is because the solution can no longer hold the excess solute in the dissolved state.

  5. The separated solute forms a solid structure, which we see as crystals. This process is known as crystallization.

  6. Therefore, crystals form when you evaporate water from a beaker containing a saturated solution because the solution becomes supersaturated and the excess solute crystallizes out of the solution.

It's important to note that not all solutions will form crystals when the solvent is removed. The solute must be able to form a solid structure (crystal) when it comes out of the solution.

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Solution 2

To determine why crystals form if you evaporate water from the beaker when it contains a saturated solution, let's break down the process step by step:

  1. Understanding Saturated Solutions: A saturated solution is one that contains the maximum amount of solute that can dissolve in the solvent at a given temperature. In this case, the solution has as much bath salts dissolved in the water as possible.

  2. Effect of Evaporation: When you evaporate water from the beaker, you are removing the solvent (water) from the solution.

  3. Concentration Changes: As the water evaporates, the volume of the solvent decreases, but the amount of solute (bath salts) remains the same. This increases the concentration of the solute in the remaining solution.

  4. Exceeding Solubility Limit: Since the solution was already saturated, any further increase in the concentration of the solute (due to the removal of water) means that the solution can no longer hold all the dissolved solute. The solubility limit is exceeded.

  5. Formation of Crystals: When the solubility limit is exceeded, the excess solute will start to come out of the solution and form solid crystals. This is because the solution can no longer keep the solute dissolved at the reduced volume of solvent.

Therefore, the correct reason why crystals form when you evaporate water from a saturated solution is:

"The solution already contains as much solute as it can so if solvent is removed then some of the bath salts must come out of solution as well."

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Similar Questions

If you don't evaporate any of the water, identify what happens to the eighth spoonful of bath salts you adda)It dissolves into the solutionb)It falls to the bottom of the beaker as sedimentc)It forms crystalsd)I'm not sure

In your own words explain why crystals form when solvent is removed from a saturated solution.

Learning goal 2: Identify what happens to solute that is added to a saturated solution.Crystals formIt settles as sedimentIt dissolves

Which of the following can be obtained by the process of crystallization, when a solution is left undisturbed for a long period of time and then allowed to evaporate to obtain pure crystals?1 pointa. Pure iron oxide (rust)b. Pure glasswarec. Crude table saltd. Crushed coffee powder

Describe how the student can obtain pure dry crystals of salt from the salt solution.

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