Using the Measured Mass Density of 2

Multiple Choice

Using the measured mass density of 2.48 g/cm³,and the molar mass of 58.098 g for KF,the equilibrium spacing between the K⁺ and F^- ions is

A) 0.168 nm
B) 0.196 nm
C) 0.269 nm
D) 0.293 nm
E) 0.312 nm