For the reaction below, Kc = 1.58 × 10⁻⁸. Note Kc is sometimes called K. What is the equilibrium concentration of B if the reaction begins with 0.450 M A?
a) 2.37 × 10⁻⁸ M
b) 3.00 × 10⁻⁸ M
c) 3.75 × 10⁻⁸ M
d) 4.25 × 10⁻⁸ M