lab report 2
LAB REPORT No 2
Name_______________________________ Date________________
1- Measuring the mass of solids.
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SOLID OBJECTS |
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mg |
Kg |
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Beaker 1 |
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Beaker 2 |
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Cylinder |
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Ball |
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Rectangular Prism |
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Cube |
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Calculations:
2- Measuring the Mass of Liquids. Determination of the Density of a Liquid.
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Trial 1 |
Trial 2 |
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Mass of Beaker + Liquid |
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Mass of Beaker |
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Mass of Liquid |
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Volume of Liquid |
20.0 mL |
20.0 mL |
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Density of Liquid |
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Average Density |
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Specific gravity |
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3- Determination of the Density of a solid. Rectangular Prism
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Density of object Method I |
Density of object Method II |
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Compare the densities and explain:
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Questions
1. From the experimental results obtained by you in the lab of the density of the liquid and the object, could the object float in that liquid? Explain
3. What is the mass of the ethyl alcohol that exactly fills a 200.0 mL container? The density of ethyl alcohol is 0.789 g/mL. (Show Work)
4. If a patient took one pill (0.250 g each) of an antibiotic every 6 hours for two weeks, how many total milligrams of antibiotic did he take? (Show Work)
5. The dosage for ibuprofen 800 mg is 1 capsule every 8 h for adults. How many capsules do you need for 7 days of treatment? (Show Work)