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Chemistry, 05.07.2019 18:00 sierransha08
Naturally occurring europium (eu) consists of two isotopes was a mass of 151 and 153 . europium-151 has an abundance of 48.03% and europium-153 has and abundance of 51.97%. what is the atomic mass of europium?
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Naturally occurring europium (eu) consists of two isotopes was a mass of 151 and 153 . europium-151...
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