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Question:

In a CO molecule, the distance between C (mass=12 a.m.u) and O (mass=16 a.m.u.), where 1 a.m.u = 53 × 10⁻²⁷ kg, is close to 2.4 × 10⁻¹⁰ m, 1.3 × 10⁻¹⁰ m, 1.9 × 10⁻¹⁰ m, 4.4 × 10⁻¹¹ m

2.4×10𕒵0m

4.4×10𕒵1m

1.9×10𕒵0m

1.3×10𕒵0m

Solution:

r1=m2d/(m1+m2) and r2=m1d/(m1+m2)