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While testing the effect of salt concentration on the mass of potato pieces the initial masses differ. What is the best improvement?

Answer and explanation

Correct answer: Calculate percentage change in mass

When initial masses differ percentage change gives a fairer comparison. It can be calculated using ( \frac{\text{final mass}-\text{initial mass}}{\text{initial mass}}\times100 ).

Related tags

VariablesPercentage ChangeOsmosisPotato ExperimentVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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