Indicate Which Aqueous Solution Has the Slowest Evaporation Rate

Indicate which aqueous solution has the slowest evaporation rate.

A) 0.1 M NH₄Cl
B) 0.2 M K₂SO₄
C) 0.2 M NaOH
D) 0.1 M BaCl₂
E) 0.2 M C₆H₁₂O₆