1. During a lab activity, students calculate the density of an element to be 7.78 g/cm3. The density listed on the periodic table is 7.13 g/cm3. Calculate the percent error and identify the element.

2. What two sets of units can be used to describe density? Why are they interchangeable?

Question

Chemistry

Cindy Daugherty

2 January, 12:13

1. During a lab activity, students calculate the density of an element to be 7.78 g/cm3. The density listed on the periodic table is 7.13 g/cm3. Calculate the percent error and identify the element.

2. What two sets of units can be used to describe density? Why are they interchangeable?

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Answers (1)

Know the Answer?

Karla Cortez · Answer 1

I'm still working on number two, but for the first one, the percent error is 9.1164095371669, or 9.12 if you round after plugging in the numbers. That's how I did it.

1. During a lab activity, students calculate the density of an element to be 7.78 g/cm3. The density listed on the periodic table is 7.13 g/cm3. Calculate the percent error and identify the element.2. What two sets of units can be used to describe density? Why are they interchangeable?

1. During a lab activity, students calculate the density of an element to be 7.78 g/cm3. The density listed on the periodic table is 7.13 g/cm3. Calculate the percent error and identify the element.

2. What two sets of units can be used to describe density? Why are they interchangeable?