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Rate of Reaction Between, Hydrochloric Acid and Magnesium Aim I aim the find out whether the concentration of acid effects the amount of gas given off in a set amount of time between hydrochloric acid magnesium ribbon. Prediction I predict that the higher the concentration, the quicker the gas will be given off. The atomic collision theory describes how the reaction quickens. I looked up the collision theory in a textbook "Science in Action", and found the following information. The collision theory explains how a reaction can only take place when reactive particles meet, under certain conditions. It stands to reason that if you have more reactive acid particles (a higher concentration of particles) in the same place, they are more likely to collide with another particle, and react. However, other aspects also affect the reaction, but are all made more likely if there are more molecules. For the molecules to react they have...

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