Question

in order to dilute 1.0L of a 6.00M solution of sodium hydroxide to 0.500M concentration, how much water (in mL) must you add?

Answer 1

this is easy, c1V1=c2V2 and here you put c1=6M, V1=1dm3, c2= 0,5M and V2=(c1*V1)/c2

Answer 2

answer is 12 dm3 or 12 L or 12000 cm3 or 12000 mL