How do I remove thinset that’s left after removing tile?

doe anyone have an easier way to get up thinset than using a chipping hammer, the dust is outrageous!
q how do i get up thinset that s left after removing tile

Trying to redo my yard, but I keep seeing this “weed”

does anyone know what it is aand if it will survive if I put it in a pot?
q trying to redo my yard but i keep seeing this weed