Mathematics, 07.03.2020 05:08 vladutraileanu7599
The element europium (EU) exists in nature as two isotopes: (151 EU)with a mass of 150.9196 amu & (153 EU) with a mass of 152.9209 amu. The average mass of EU is 151.96 How do you calculate the relative abundance of the two EU isotopes? X% times 150.9196 (plus) Y% times 152.9209 equals = 151.96. what are the X and Y percentages? And what is the formula to identify the unknowns X and Y?
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The element europium (EU) exists in nature as two isotopes: (151 EU)with a mass of 150.9196 amu &...
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