100 ML of a 0

question 5

Multiple Choice

10.0 mL of a 0.100 mol L⁻¹ solution of a metal ion M²⁺ is mixed with 10.0 mL of a 0.100 mol L⁻¹ solution of a substance L. The following equilibrium is established: M²⁺(aq) + 2L(aq) ⇄ ML₂²⁺(aq)
At equilibrium the concentration of L is found to be 0.0100 mol L⁻¹. What is the equilibrium concentration of ML₂²⁺, in mol L⁻¹?

• A)0.100 mol L ⁻¹
• B)0.050 mol L ⁻¹
• C)0.025 mol L ⁻¹
• D)0.0200 mol L ⁻¹
• E)0.0100 mol L ⁻¹

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