The formation constant* of [m(cn)₄]*- is 7.70 × 10¹⁶ , where m is a generic metal. a 0.160 mole quantity of m(no)₂ is added to a liter of 0.910 m nacn solution. What is the concentration of M²⁺ ions at equilibrium?
A) 1.78 × 10⁻³ M
B) 2.26 × 10⁻⁴ M
C) 1.37 × 10⁻³ M
D) 1.12 × 10⁻² M