Why the substance soluble in alcohol and cyclohexane
The unknown was found to have a boiling point of 57C at 658 mm Hg. A liquid unknown was found to be in soluble in water and soluble in alcohol and cyclohexane; determine the substance?
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After three days sample of radon-222 has decayed to 58% of its original amount. How long will it take sample to decay to 30% of its original amount?
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Discuss the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O) in enough water to make 334.0 mL of solution?
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