At 20.°C, a 1.2-gram sample of Mg ribbon reacts rapidly with 10.0 milliliters of 1.0 M HCl (aq). Which change in conditions would have caused

the reaction to proceed more slowly?

(1) increasing the initial temperature to 25°C

(2) decreasing the concentration of HCl (aq) to 0.1 M

(3) using 1.2 g of powdered Mg

(4) using 2.4 g of Mg ribbon

Question

14 March, 04:10

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Answers (1)

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Ansley Arellano · Answer 1

(2) is the answer. increasing temperature, increasing surface area (powdering), and increasing reactant will increase the rate of reaction