100 ML of a 0

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: 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