Question

You are attempting question 1 out of 12
What is the concentration of x2- in a 0.150 M solution of the diprotic acid H,X ?



For H2X
, K2 = 4.5x10-6 and K, -1.2x10-11.

(A) 9.9x10-8 M
(B) 2.0 x10-9 M
(C) 8.2 x10-4 M
(D) 1.2x10-11 M
Answer
АТА
И В

Answer 1

Answer:

1.2×10-11M is the answer