1.a) For the ground state of 111Cd, the g-factor is: g = µ/I = -1.1897722. For the 245 keV level: g = -0.3064. This is in units of the nuclear magneton.
1.b) g = µ / J = 1 / 1/2 = 2. This is in units of µ_B
1.c) Since the neutron is a spin-1/2 particle: µ = g x spin = -1.913.