How many grams of a 14.3% potassium sulfate solution would contain 499.7 g potassium sulfate? answer in units of g?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d