1. Naturally occurring @uropium (Eu) conSists of tWO isotopes with masses of 151
(150.92) and 153 (152.92). Europium-151 has an abundance of 48.03% and
europium-153 has an abundance of 51.97%. What is the atomic mass ofeuroplm
|5O.24ヶ 0.100較語間66 76
(75229-デ 0と儀座 7 トク5 所