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Investigation to Find the Resistance of Sodium Chloride
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| Submitted: Thu Jul 11 2002
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Investigation to Find the Resistance of Sodium Chloride Plan The aim of the investigation is to find the resistance of different concentrations of sodium chloride, when electricity is passed through it. To make sure that the experiment is a fair test, only one variable will be changed. This variable will be the concentrations of the salt (sodium chloride) solution. The concentrations used will be 1M, 0.8M, 0.6M, 0.4M and 0.2M. The variables that will not changed and that will stay the same all throughout the investigation will be the amount of solution in the beaker, the depth of the electrolytes in the solution, and the setting on the power unit. I predict that the lower the concentration the higher the resistance. I will set up the experiment as shown in the above below. By changing one input variable, I will work out what effect changing that variable will have...
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