a 500.-kg Tower of Terror coaster starts at rest at the top of a 90.0 Tower at what speed would it hit the ground of had no brakes

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.