Question

Explain the need to calculate percent change in mass vs. simply change in mass (weight gain or weight loss) over time.

Answer 1

Explanation: Percent Change in Mass = Mass Difference(g) x 100% Initial Mass(g) Percent Change in Mass = 2.30g x 100% 5.64g Percent Change in Mass = 40.78% Average Percent Change in Mass Average Percent Change in Mass = Average Mass (Group #1) + Average Mass (Group #2)… Total Number of Groups