Equivalent ConceptMediumQuestion 600040
Question
The equivalent mass of Na₂CO₃ (M = 106 g/mol) in a reaction with HCl (both protons react) is:
- A106 g
- B53 gCorrect
- C212 g
- D35.3 g
Correct answer
53 g
Explanation
n-factor of Na₂CO₃ in complete neutralisation = 2 (accepts 2 H⁺). Equivalent mass = 106/2 = 53 g/equiv.