What is the normality of 0.250 M H₃PO₄ for reaction with NaOH to form NaH₂PO₄?
Q1. What is the normality of 0.250 M H₃PO₄ for reaction with NaOH to form NaH₂PO₄?
Answer: 0.500 N
Explanation: Normality = 0.250×2 = 0.500 N (1 H+ transferred). C assumes 3 H+.