Prelab – Density of a Metal and of a Liquid Mixture

by on February 1st, 2011
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Purpose: The purpose of this experiment is to determine separately the density of a metal and of a liquid mixture.
Experimental Procedure:Following the instructions in the lab manual, use the balance to make the appropriate measurements to find the volume. Lab manual: mix distilled water with antifreeze. Find and record the mass of the water filled flask. Measure temperature to find volume and find density as well. Interpolation by formula Interpolation by Graph

Caution:Make sure to maximize graph paper Be sure no air bubbles are trapped under the stopper. Avoid excessive handling of the flask, moisture, and oil Do not discard your antifreeze sample. Return it to reagent bench.

Analysis: Y=mx+b where m is slope and b is intercept D=m/v density equals mass / volume and calculate a class average Slope = y2-y1/x2-x1 Find the density of alloy and freezing point depression of ethylene


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