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The general trend of the graph is that a higher concentration of sulfuric acid leads to a faster reaction rate. Similar to the relationship between concentration of sulfuric acid and volume of hydrogen gas, the relationship is linear. This suggests that as the concentration of sulfuric acid increases, the rate of reaction also increases due to the collision theory in chemical kinetics. At a higher concentration of sulfuric acid, the escalated frequency of magnesium collisions inherently underpins the observed surge in reaction rate.