Rates of reaction between magnesium and hydrochloric acid when using different concentrations One way of making the reaction between magnesium and hydrochloric acid more effective or less effective would be to use higher or lower concentrations of either the magnesium or hydrochloric acid. Temperature and surface area can also make a reaction faster or slower. A catalyst can make a reaction faster without actually taking part in the reaction. A high concentration makes a reaction …showed first 75 words of 543 total…

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