21876.25 mL of a solution of barium hydroxide on titration with 0.1 molar solution of hydrochloric acid gave a titre value of 35 mL. The molarity of barium hydroxide solution was
0.28
0.14
0.07
0.35
21877.2 N HCl solution will have same molar concentration as a
4.0 N H2SO4
0.5 N H2SO4
1 N H2SO4
2 N H2SO4
21878.An aqueous solution of glucose is 20% in strength. The volume in which 1 g mole of it is dissolved will be
8 L
1.8 L
9 L
0.9 L
21879.10 cm3 of 0.1 N monobasic acid requires 15 cm3 of sodium hydroxide solution whose normality is
1.5 N
0.15 N
0.066 N
0.66 N
21880.Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at –6°C will be: (Kf for water = 1.86 K kg mol–1 and molar mass of ethylene glycol = 62 g mol–1)
304.60 g
804.32 g
204.30 g
400.00 g