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The purpose of this lab was to differentiate between accuracy and precision by calculating the mass per millimeter, or the density of the unknown liquid using two different methods
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Does Accuracy and Precision Play a Role in Calculating the Density of an Unknown Liquid by Two Different Methods? Purpose: The purpose of this lab was to differentiate between accuracy and precision by calculating the mass per millimeter, or the density of the unknown liquid using two different methods. The test is done three times to measure precision (how exact a measurement it) and to measure accuracy (how close a value is to the accepted value). Hypothesis: I believe that method 1 will be precise in density, volume and mass, and that method number 2 will be accurate in those related fields. Materials: * 100mL beakers (3) * 100mL graduated cylinder * Thermometer * Felt tip pen * Ruler * Electronic balance Procedure: 1. Prepare a data table. Include room in your table for three trials for each method. 2. Using a felt tip pen, make a mark on one of the 100mL beakers about 2 cm from the top. Measure the...
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