Question

Determine the pH of a 0.060 M solution of H₂SO₄. The dissociation occurs in two steps. K_a1 is extremely large; K_a2 is 1.2 × 10^–2. 

a) 1.4 

b) 1.3 

c) 1.2 

d) 1.1 

e) 1.0

Answer 1

1.1 is extremely large; K_a2 is 1.2 × 10^–2.