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Lab Report on Density of Water

This lab contains several mass and volume measurements and to use these measurements to determine the density of water, an unknown liquid and an unknown solid. To find the density of these unknown factors you take their mass and divide it by the volume and that that equals their density. After the measurements are found then determine the precision of the results by calculating the percent error. The purpose of this lab is to determine the density of water, the density of an unknown liquid and the density of an unknown solid.

Volume- how much space an object takes up

Density- how much matter is in a specific amount of space

Mass- how much matter is present in an object

Qualitive-a type of observations that you use your senses for color, odor and texture.

Quantitive- a type of observation that you get measurements on how long, how much and how big.

Conclusions-the results or solution to your observations

Observations- looking at something using your senses and noticing changes and attributes.

Percent Error- calculations and measurements used as a comparison of the differences between experimental results and theoretical values.

1. Measure the mass of a 100-ML or 250 mL beaker to the nearest 0.01g.

2.Use the balance to be sure you have added exactly 50.00g of water to the beaker.

3. Pour the 50.00g of water into a 50.00 mL or 100 mL graduated cylinder. Record the volume to the nearest 0.5mL.

1. Measure the mass of a 10 mL graduated cylinder.

2. Fill graduated cylinder to 9-mL mark with unknown liquid. Read volume to nearest 0.2 mL.

3. Measure the mass of the cylinder and its contents carefully and record.

4. Return the unknown liquid to a container designated by you teacher.

1. Obtain a solid object and measure its mass to the nearest 0.01g.

2. Fill a 100 mL graduated cylinder about one half-full of tap water and read the volume to the nearest 0.5 mL.

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