| 1. |
A third of a kilogram of experimental glue was made by Superchem, Inc. The glue was three-tenths 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?
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| 2. |
If a solution of MgCl is 1/3 M, what will its concentration be if it is diluted by 13%? Express your answer as a fraction.
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| 3. |
A 500-gram package of growth powder made by Z-Globe contains 0.12% yeast extract by mass. What fraction of the powder is not yeast extract?
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| 4. |
* This is a pre-made sheet.
Use the link at the top of the page for a printable page. |
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| 5. |
A good tasting coating needs to be put on Micromed's new fever tablet. Each tablet without the coating has a mass of 450 mg. Experiments have shown that the coating cannot make up more than 1/39 of the mass of each tablet (otherwise some of the tablet processing machinery doesn't work right). So what is the maximum mass of the coating allowed on a 450-mg tablet? Round your answer to the nearest hundredth.
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| 6. |
Eight moles of silver nitrate followed by four 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?
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