PLZ HELP ASAP Approximately how many grams of potassium chloride(KCI) are required to prepare 600. mL of a 2.50 M solution ?

A) 103 g
B) 112 g
D) 125 g

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.