Lesson: Density Measurements Glencoe • Chemistry • Matter & Change • Glencoe Science • Chemistry • Matter and Change

Chemistry

In this lesson, we will learn how to describe methods for measuring solid and liquid densities, identifying errors, and troubleshooting mistakes.

Worksheet: 2 Questions

Q1:

An experiment calls for 125 g phosphoric acid. What size of flask would be most appropriate to contain the acid? The density of phosphoric acid is 1.83 g/mL.

Q2:

A piece of rebar is weighed and then submerged in a graduated cylinder partially filled with water, as shown in the figure. The dry mass of the rebar is 69.658 g.

To 2 significant figures, what is the density of the piece of rebar?

Which of the following metals is most likely to be present in the piece of rebar?

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