In Beaker A, 2.0 grams of zinc powder is mixed with 1.0 M HCl acid & in Beaker B, 2.0 grams of zinc powder is mixed with 6.0 M HCl acid so in beaker B reaction occur faster.
Rate of reaction of any chemical reaction gives idea about the speed of the completion of the given reaction, and rate of reaction is directly proportional to the concentration of the reactant species.
If the concentration of reactants increases then the rate of the reaction also increases. According to the question concentration of zinc powder is same in both beakers.
In beaker A, concentration of HCl is 1M and in Beaker B is 6M respectively so the rate of reaction is faster in beaker B.
Hence in beaker B reaction occur faster.
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