Molar mass of K2S is 110.3 g multiply that by 2.18 and you get 240.5 g to make one liter. Your proportion is 240.5g = 200.0 g Divide 200.0 by 240.5 = 0.832 liters 1 liter x
How Many Liters Of A 2.18 M Solution Can Be Made From 200.0 G K2S?