Problem- A 20% sodium hydroxide solution has a density of 1.20 g mL-1. For a certain reaction 42.0 g of sodium hydroxide are required. What volume of solution does this represent?
(A) 57.0 mL (B) 70.0 mL (C) 175 mL (D) 210 mL (E) 252 mL
Using textbook reference solve the reactions given in above problem