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Aim: How the concentration of hydrochloric acid affects the rate of reaction with magnesium. Preliminary Work: We tested out 8 different metals; we put all the 8 metals in test tubes containing hydrochloric acid and waited to see which metal was the fastest to react, to choose our desired metal. Here are the 8 metals:> Copper> Lead> Tin> Magnesium> Aluminium> Zinc> Iron> Nickel We found that all the metals produced hydrogen and found that magnesium produced hydrogen the quickest with hydrochloric acid so therefore we chose magnesium because it was the most reactive with hydrochloric acid, This is important because magnesium reacts well with hydrochloric acid. Hydrochloric Acid + Magnesium Magnesium Chloride + Hydrogen Hydrochloric Acid + Magnesium Salt + Hydrogen Theory Concentration: A reaction can be made to go faster or slower by changing the concentration of a reactant, the more the concentration, the faster the reaction will occur. Increasing the concentration of the reactants will increase...

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