A student is reacting magnesium and hydrochloric acid by placing a strip of Mg
metal into a beaker containing HCL solution. Which of the following would
increase the rate of reaction between the Mg and the HCL?
removing some of the HCL solution from the beaker
freezing the Mg strip before adding it to the beaker
cutting the Mg strip into smaller pieces
adding less HCl to the initial solution