Discover Questions

How would you prepare 300ml of a 0.6M solution from a 4M stock solution? Why is the answer "No Sum," for #14? (look at the attached picture)? It will be 68 degrees tomorrow and 9mph is it okay to wear a hundreds to school? Is planet x on course to collide with earth? (4 Square root of 3 -1) ( square root of 3-6). Simplify?