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Investigate how long it takes to make magnesium ribbons disappear in different concentrations of Hydrochloric acid.
Member rating: No Rating | Words: | Submitted: Thu Jan 13 2005
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Aim: To investigate how long it takes to make magnesium ribbons disappear in different concentrations of Hydrochloric acid. Prediction: I predict that the piece of ribbon placed in the highest concentration of hydrochloric acid will take less time as the rate of reaction is faster. There will be more particles of the reactant knocking between the acidic particles which makes the rate of collisions higher. I also predict that the piece of ribbon placed in the least concentrated hydrochloric acid will take much longer as there is not enough energy or the rate of reaction is much slower. Hence, the number of particles colliding with each other is minimal. High concentration of hydrochloric Low concentration of hydrochloric acid. acid. Apparatus: * Ruler: used to measure the length of magnesium ribbon-for fair testing. * Hydrochloric acid: 0.1M, 0.2M, 0.4M, 0.5M, 0.8M and 1.0M-variety of concentrations, so as to get accurate results. * Magnesium ribbon. * Beakers: used instead...
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