to 11. What is the change in density if a sample goes from 3.21 g/L to 5.43 g/mL? 12. For each set of data provided, calculate the statistics requested. a. The accepted value of the boiling point of pure ethanol is 78.4 °C. Trying to verify the value, you obtain the following six values. Determine the average and percent error fo your measurements. 78.13a Trial # Boiling point Trial 1 78.2 °C 27. Trial 2 77.1 °C

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