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Have questions about "Getting The Soap Out!" project.
its tiltle is getting the soap out.
its main purpose is to test which which of the following substances, table salt, Epsom salt, sugar or baking soda would be most effective in removing soap from water
When I read the procedure, the last task I had to do is filter all the soap water with different substances and observe each of them
but I have a question here, what will the filteration show? what will be filtered on the coffee filter? soap? and how do we know each substance's affect on the soap water? what am I suppose to observe?
if you dont understand my question please go to this website and read the procedure and please explain to me !!