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Separation by Physical Means Post-lab Questions 1. Using the mass of the sample you obtained in Part A, what percentage of the mixture did iron represent? Is this an accurate representation of the overall mass percent of the mixture from which you took your sample? Why or why not? .06 9 ,100 traTy 9 = 3% - 100% = 2. What physical properties were exploited throughout the experiment? Which substance was removed or separated based on each property? 15 m L 7. 29 oncentration - 121.9 =1071 41 9 3. Imagine an experiment involving the mixture of salt, wood shavings, and ammonium chloride. To separate the wood shavings, you pour water into the mixture. What problems might this cause experimentally? What order of steps would you take to separate this mixture? (Hint: ammonium chloride is both soluble and capable of sublimation) 24.30 93