Question

Calculate the pH of a 0.05 M solution of ascorbic acid (K_a1 = 7.9 × 10^–5; K_a2 = 1.6 × 10^–12). 

a) 1.3 

b) 2.7 

c) 3.1 

d) 5.4 

e) 6.5

Answer 1

The pH of a 0.05 M solution of ascorbic acid (K_a1 = 7.9 × 10^–5; K_a2 = 1.6 × 10^–12 2.7 .