Suppose that, in an attempt to minimize waste, a laboratory teaching assistant d

Question

Suppose that, in an attempt to minimize waste, a laboratory teaching assistant decided to give each student only 1 ml. of each liquid for use to measure density in this experiment. Estimate the magnitude of the absolute error and percent error in the measured sample volumes. Compare those errors to the errors that occur when measuring volumes of approximately 8 mL, as is normally done in this experiment. Assume that the graduated cylinder used to measure all of the volumes has 0.1-mL graduations.

Explanation / Answer

absolute error =0.1 ml for both 1ml and 8 ml % error for 1 ml sample = 0.1/1 *100 =10% %error for 8 ml sample =0.1/8 *100 =1.25 %

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