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How can you separate the sand, copper sulfate and urea?

Give us a mixture of sand, copper sulfate and urea (a fertilizer high value) in a film canister We have to separate them and find what is the weight of each substance was present in the mix Here is some information on the 3 substances: Urea: Color: White. Soluble in both water and copper sulfate meth: Color: blue. Only soluble in water sand: Color: Yellow. Insoluble in water and Meths You may have 30ml of meth and 30 ml of distilled water at the end of this (since we do in class) you should have the copper sulphate, sand and dry urea and separated so they can be weighed individually. It will be a reward for the person who is closest to the weight which were measured in the sample jar. If anyone knows how to separate this mix please write the method, all answers appreciated thanks

Should be easy. First of all, Wash with meth. This will dissolve the urea. Next wash water. This will dissolve the copper sulfate. You'll be left with the sand. After weighing all each step (so you might be able to get out some numbers if you need) and collect the filtrate. Make sure you carefully, and mix all offered at each 'WASH' stage. Boiling solvent in excess. Weigh the finished products.

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