. Which solute, when dissolved in 1 kg H2O, will give the solution with the highest boiling point? (A) 50 g ethylene glycol, HOCH2CH2OH (B) 50 g hydroxyacetic acid, HOCH2COOH (C) 50 g glycerol, HOCH2CHOHCH2OH (D) 50 g glyoxal, HCOCHO