2part question
a camper obtained a sample of water from a mountain stream for cooking, but the water appeared to be cloudy with slit. what would be the best method of separating the silt from the water?
Draw a flow chart for the separation you have described, using: mixture 10.0g of sand and 90.0g of water, recovery of 9.5g of sand. Remember the camper does not have any laboratory equipment available.
thanks CeeCee
To separate the silt from the water, the camper can use a simple method called filtration. Here's how the camper can do it without any laboratory equipment:
1. Start by setting up a homemade filtration system. The camper will need a container with a lid (such as a plastic bottle), a piece of clean cloth (such as a handkerchief or a coffee filter), and a smaller container to collect the filtered water.
2. Cut or tear a small hole in the bottom of the plastic bottle. This will act as the filtration outlet.
3. Place the piece of cloth over the hole in the bottle, making sure it covers the entire area. Secure it in place using a rubber band or by tightly screwing on the bottle cap with the cloth in between.
4. Now, pour the water sample from the mountain stream into the bottle through the top opening. The cloth will act as a filter, allowing only the water to pass through while trapping the silt.
5. As the water passes through the cloth and drains out from the bottom hole, it will get separated from the silt. Collect the filtered water in the smaller container placed beneath the filtration outlet.
6. Once all the water has been filtered, the silt will remain trapped in the cloth. Carefully remove the cloth containing the silt and set it aside to dry.
Now, let's create a flowchart to illustrate the steps described above, using the given mixture details:
Start: Mixture of 10.0g sand + 90.0g water
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Step 1: Set up filtration system
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Step 2: Cut hole in bottle
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Step 3: Place cloth over hole, secure
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Step 4: Pour water sample into bottle
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Step 5: Water passes through cloth, silt trapped
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Step 6: Collect filtered water
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Recovery: 9.5g sand obtained
And that's it! The camper can now separate the silt from the water using the filtration method, even without access to laboratory equipment.
To separate the silt from the water without any laboratory equipment, you can use the process of sedimentation and decantation. Here is a step-by-step guide on how to do it:
1. Allow the mixture of sand and water to sit undisturbed for some time. This will allow the sand particles to settle at the bottom due to gravity.
2. After some time, the water will appear clearer with the silt settled at the bottom.
3. Slowly and carefully pour off the clarified water from the top, trying to avoid disturbing the settled sand at the bottom. This process is called decantation.
4. Collect the clarified water in a separate container, ensuring that no sand particles get transferred along with it.
5. Repeat the process of sedimentation and decantation until the water becomes clearer and there is minimal silt remaining.
6. Once you have collected the clarified water, check its clarity visually to see if it is suitable for cooking. If it still appears cloudy, you may consider boiling it further to remove any remaining impurities.
Here is a simple flowchart to illustrate the separation process:
Start
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Mix water and sand
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Allow mixture to settle
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Pour off clarified water
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Repeat sedimentation and decantation if necessary
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Collect clarified water
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End
Note: This process is not suitable for removing microscopic impurities or pathogens from the water. It is always recommended to use properly treated and filtered water for cooking and drinking, especially in outdoor settings.