A plastic piece was being analyzed by floatation methods. The piece of plastic was suspended in a solution which had an equivalent density.

A plastic piece was being analyzed by floatation methods. The piece of plastic was suspended in a solution which had an equivalent density. 8.26mL of this solution were placed into a measuring device that had an empty mass of 43.33g. The new mass of the device and solution was 52.17g. Use this information and determine the density of the plastic.