What happens if magnesium is added to hydrochloric acid (hci) in a single replacement reaction

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Explain what happens at the saturation point when adding salt to water at room temperature.

What is the major limitation to the light microscope?