breifly describe how you would separate a mixture of sand and benzoic acid(benzoic acid is soluble in hot water) to obtain pure benzoic acid

To separate a mixture of sand and benzoic acid in order to obtain pure benzoic acid, you can follow a process called extraction. Here's a brief overview of the steps involved:

1. Add the mixture of sand and benzoic acid to a beaker or a suitable container.

2. Add hot water to the beaker and stir the mixture thoroughly. As benzoic acid is soluble in hot water, it will dissolve, while sand remains insoluble.

3. Allow the mixture to settle. The sand will settle at the bottom due to its higher density, while the benzoic acid solution will remain on top.

4. Carefully decant (pour off) the liquid, making sure to leave the sand behind.

5. Collect the benzoic acid solution in a new container.

6. To recover the benzoic acid, you need to evaporate the water. Place the container with the benzoic acid solution on a heat source, such as a hot plate or a Bunsen burner, and heat it gently. As the water evaporates, benzoic acid will start to crystallize.

7. Once most of the water has evaporated, allow the remaining solution to cool. The benzoic acid crystals will continue to form as the solution cools down.

8. Filter the solution through a filter paper or a Buchner funnel to separate the solid benzoic acid crystals. Wash the crystals with a small amount of cold water to remove any impurities.

9. Finally, leave the benzoic acid crystals to dry completely, either by air-drying or using a desiccator. Once dry, you will have obtained pure benzoic acid.

It's important to note that this is a general procedure, and specific conditions may vary depending on the scale and equipment available. Always refer to appropriate resources or consult a chemistry expert for accurate instructions and safety precautions.

To separate a mixture of sand and benzoic acid and obtain pure benzoic acid, you can follow these steps:

1. Dissolve the mixture in hot water: Heat water until it is near boiling, and then add the mixture of sand and benzoic acid to it. Stir the mixture thoroughly to ensure the benzoic acid dissolves.

2. Filter the mixture: Set up a filtration apparatus consisting of a funnel and filter paper. Pour the hot mixture into the funnel, which will allow the liquid portion (containing the dissolved benzoic acid) to pass through while leaving the sand particles behind.

3. Collect the filtrate: The liquid that passes through the filter paper will contain the dissolved benzoic acid. This is known as the filtrate. Collect the filtrate in a separate container.

4. Cool the filtrate: Allow the filtrate to cool down slowly, which will cause the benzoic acid to crystallize out of the solution. You can leave the container undisturbed or use an ice bath to accelerate the cooling process.

5. Separate the benzoic acid crystals: Once the crystals have formed, you can separate them from the liquid by either using a vacuum filtration setup or by carefully decanting the liquid without disturbing the crystals.

6. Dry the benzoic acid crystals: Place the separated crystals in an oven or a desiccator to completely dry them. This will remove any residual water and provide you with pure benzoic acid.

By following these steps, you will be able to separate the mixture of sand and benzoic acid, and obtain pure benzoic acid.