1) Determine density of sample

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1) Determine density of sample. (show your work WITH units)

Assume 1.5 grams of a metal and an 8 mL change in volume when the metal is placed in water.

2. Identify your sample by comparing the density of your sample with known

densities. This can be searched in your textbook or online.

Critical Thinking and Communication

3. Using the procedure in this experiment explain how the measured density of a substance is affected for each of the following:

 

1. Some of the water in the graduated cylinder splashes out when the sample is added.
2. Air bubbles adhere to the submerged sample when the volume of sample plus water is measured. 

4. Describe 3 or 4 other potential sources of error that may affect your results and explain why that will change the calculated answer.

 **Write each source and explanation in a separate paragraph, using complete sentences.**

5. Explain the process that allowed you to take measurements of mass and volume and determine the identity of the unknown metal.