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Fractions
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 1 In a chromatography column (basically a long thin tube) there is carbon dioxide flowing at a rate of 10 ml/min. If the maximum flow rate for the column is 158 ml/min, at what fraction of the maximum is the column currently operating? Express your answer as a fraction.
 2 * This is a pre-made sheet.Use the link at the top of the page for a printable page.
 3 If a solution of MgCl is 2/9 M, what will its concentration be if it is diluted by 13%? Express your answer as a fraction.
 4 One-fourth of a kilogram of experimental glue was made by Superchem, Inc. The glue was one-tenth acrylate X101, three-tenths wood glue, and the rest was made up of their regular type-A paper glue. How many kilograms of type-A paper glue were used in this mixture?
 5 Six moles of silver nitrate followed by three moles of silver chloride are added to a vat containing 50 L of water. Of the silver that was added, what fraction came from the silver nitrate?
 6 A 500-gram package of growth powder made by Z-Globe contains 0.09% yeast extract by mass. What fraction of the powder is not yeast extract?