Consider the hypothetical reaction: 2 A + B ↔ A 2 B at equilibrium, there is 1 mole of A, 0.5 moles of B, and 0.49 moles of A2B. Which of the following K values best matches this?
A. 9 × 10 ^− 9
B. 1 × 10 ^− 5
C. 9 × 10 ^− 3
D. 3 × 10 ^− 1
A. 9 × 10 ^− 9
B. 1 × 10 ^− 5
C. 9 × 10 ^− 3
D. 3 × 10 ^− 1