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Determine the number of unpaired electrons on each of the heterometallic wheels synthesized: Cr7M, where M is Fe,

Mn, Cu,

L of Nd2O3: 1.9 cm

R0= -32

R= 8

L= 3 cm

T = 24.0 ºC

m= 98 mg

Xm = the molar susceptibility = Xg x MW

Xg = [CBAL*l*(R-R0)]/(109*m) in c.g.s units where

l = the sample length in cm

m = the mass of the sample in g

R = the reading for the tube plus sample

R0 = the reading for the empty tube

CBAL = the balance calibration constant (written near the balance)

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