What Is the Equilibrium Concentration of Zn²⁺(aq)in a Solution That $\leftrightarrows$

question 116

Multiple Choice

What is the equilibrium concentration of Zn²⁺(aq) in a solution that is initially 0.0100 M solution in Zn(NO₃) ₂ at a pH of 13.00? Zn²⁺(aq) + 4 OH^-(aq) $\leftrightarrows$ Zn(OH) ₄^2-(aq) K_f = 2.5 $\times$ 10¹⁵

• A)3.1 \(\times\) 10^-13 M
• B)2.5 \(\times\) 10^-14 M
• C)4.4 \(\times\)10^-17 M
• D)6.1 \(\times\) 10^-10 M
• E)5 \(\times\) 10⁵ M