'What is the dependent variable ? agar Will pe measured in millimeters (mm) Before you begin each activity you will need to identify the independent variable and dependent variable, and state your prediction. Experiment 1: Molecular weight of the dye and distance of diffusion In this experiment we will measure the diffusion rings for 4% Methylene Blue and 4% KMnO4 solutions to determine how molecular weight affects diffusion: The concentration of each solution is the same however the dyes in solution have different molecular weights The plates will be incubated at room temperature Experiment 2: Concentration of the dye and distance of diffusion In this experiment we will measure the diffusion rings for a 4% KMnO4 solution and a 0.5% KMnO4'

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