what is the purpose of adding 95% ethanol to the crystals? please explain

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Q: One or more of the monomers below are needed to make the polymer CN CN CN CHCH,CHCH,CHCH2-

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Q: What is the purpose of adding 95% ethanol to the crystals?

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Q: advantages and disadvantages of the polymer blends

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Q: describe the rapid evaporation of ether from the skin

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Q: How

A: Dear student I have given answer to your question in the image format.