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Sample Multiple-Choice Questions

A popular Bourbon whiskey is listed as being 92 Proof. The liquor industry defines Proof as being twice the volume percentage of alcohol in a blend. Ethanol (drinking alcohol) has the structural formula CH3CH2OH (MW = 46 g/mol). The density of ethanol is 0.79 g/mL. How many liters of whiskey must one have in order to have 50. moles of [Pg.26]

Step 2 To the right of the equals sign, write down the units you want the answer to be in. Examination of the problem reveals that you want your answers in liters of whiskey, so you have [Pg.26]

Step 3 Begin the problem with the item you are limited to. In this case, it is 50. moles of carbon — no more, no less. Place the 50. moles of carbon over 1. [Pg.26]

Step 4 Get rid of the units moles of carbon by placing them in the denominator of the next factor. What do you know about moles of carbon There are 2 moles of carbon in each mole of ethanol. [Pg.26]

moles of carbon i moie ethanol 1 2 moles carbon [Pg.26]

The following are four sample multiple-choice questions. By applying the principles explained in this section, choose the best version of each of the four sets... [Pg.242]

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