9. Draw the enantiomer (both R/S assignments are opposite) of compounds below. Label all asymmetric carbons as R or S. (the compounds are the same as the previous page) CI H3C CI CH3 H u OH H. HI H3C CH2CH3 10. Draw the both diastereomers (only one of the R/S assignments is opposite while the other remains the same) of the compound below. Label all asymmetric carbons as R or S. Hint: the compounds are the same as above. CI CH3 H3C CI HI H3C H. CH2CH3

2 What methods are used to sep X G In Part Il of experiment 5, a 1:1: X + u/ultra/courses/_393452_1/cl/outline * Question Completion Status: QUESTION 3 After you complete the second step, you will be left with a clear colorless liquid. What should be done to the liquid to finish the separation? O Heat the mixture to evaporate the liquid O Add a base to neutralize the solution. O Nothing - you are done since you have a pure, clear, colorless substance O Add the residue back to the solution and dry. QUESTION 4 In Part II of experiment 5, a 1:1:1 mixture of sand, salt, and salicylic acid must be separated. Order the following steps necessary to separate this mixture into three pure, dry solids. Filter the liquid leaving a filtrate with just salt dissolved and a residue of sand. v Add hot water to the residue obtained in two steps prior to this one. Filter the liquid leaving a filtrate with just salicylic acid dissolved and a residue of salt and sand. v Heat the filtrate obtained in two…

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Which of the following is a common carrier gas used in gas chromatography? a) Oxygen b) Nitrogen c) Carbon dioxide d) Argon