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

question 75

Multiple Choice

Calculate the equilibrium concentration of Zn²⁺(aq) in a solution that is initially 0.0125 M Zn(NO₃) ₂ and 0.600 M NH₃.
Zn²⁺(aq) + 4 NH₃(aq) $\leftrightarrows$ Zn(NH₃) ₄²⁺(aq) K_f = 2.9 $\times$ 10⁹

• A)7.8 \(\times\)10^-12 M
• B)4.7 \(\times\)10^-11 M
• C)1.5 \(\times\) 10^-8 M
• D)2.5 \(\times\) 10^-9 M
• E)2.9 \(\times\) 10⁹ M

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