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Unformatted text preview: 18. (a) In terms of the original value of u, the newly deﬁned u is greater by a factor of 1.007825. So the
mass of 1 H would be 1.000000 u, the mass of 12 C would be (12.000000/1.007825)u = 11.90683 u,
and the mass of 238 U would be (238.050785/1.007825)u = 236.2025 u.
(b) Deﬁning the mass of 1 H to be exactly 1 does not result in any overall simpliﬁcation. ...
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