Did I do the calculations correctly, or should they be positive? Consider the fo

Question

Did I do the calculations correctly, or should they be positive? Consider the following sample results using the information provided: Kathy, a biology student performing the Osmosis Iab, hits just finished placing approximately 15-25 mL of the indicated sucrose solutions into dialysis tubing and tied off the ends so that they won't leak. She rinses and blots each bag and determines the initial mass of each as so: Kathy submerges each bag with distilled water for 30 minutes. At the end of 30 minutes. Kathy blots each bag and determines the final mass of each bag as so. Place the above masses in the table below. Determine the Mass Difference and the Percent Change by using the following information: Mass Difference = the Final Mass - the Initial Mass Percent Change in Mass = Final Mass - Initial Mass/Initial Mass Times 100 Place all of the information in the table. Show all of your calculations on a separate sheet of paper.

Explanation / Answer

The calculations are correct and since the mass is decreasing, you can take it in negative value.

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