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Chemistry, 12.08.2021 15:20 sodiumvlogsYT

The element europium exists in nature as two isotopes: has a mass of u and has a mass of u. The average atomic mass of europium is u. Calculate the relative abundance of the two europium isotopes.

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The element europium exists in nature as two isotopes: has a mass of u and has a mass of u. The aver...
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