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The following mass-volume data for five different samples of a unknown were collected. Sample 1. mass,g = 6.32 volume, mL= .80 Sample 2. mass,g = 9.50 volume, mL= 1.40 Sample 3. mass,g = 16.50 volume, mL= 2.30 Sample 4. mass,g = 20.07 volume, mL= 2.90 Sample 5. mass,g = 24.50 volume, mL= 3.41 1. Calculate the slope of the straight line 2. What is the density of the substance 3. Briefly explain why it is more accurate to use the slope of the plot to determine the density than it is to use data from a single determination

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