a) Define the following terms as applied to acids and bases: i) Arrhenius acid ii) Brønsted-Lowry base iii) Lewis acid b) A 25.0 cm³ sample of hydrochloric acid required 20.0 cm³ of 0.150 mol/dm³ sodium hydroxide solution for complete neutralisation. i) Write a balanced equation for the reaction between hydrochloric acid and sodium hydroxide. ii) Calculate the concentration of the hydrochloric acid in mol/dm³. iii) Calculate the mass of sodium chloride produced in this reaction. (Na = 23, Cl = 35.5) c) Explain why an aqueous solution of sodium chloride is neutral while an aqueous solution of sodium carbonate is alkaline.