Problem: Suppose that a fictitious element, X, has two isotopes:  50X (59.015 amu) and 82X (62.011 amu). The lighter isotope has an abundance of 73.7%. Calculate the atomic mass of the element X.

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Suppose that a fictitious element, X, has two isotopes:  50X (59.015 amu) and 82X (62.011 amu). The lighter isotope has an abundance of 73.7%. 

Calculate the atomic mass of the element X.

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Our tutors have indicated that to solve this problem you will need to apply the Isotopes concept. You can view video lessons to learn Isotopes. Or if you need more Isotopes practice, you can also practice Isotopes practice problems.

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Based on our data, we think this problem is relevant for Professor Liwosz's class at UB.