An unknown element has two naturally occurring isotopes
An unknown element has two naturally occurring isotopes. Isotope 1 has a mass of 120.0 amu and an abundance of 40%. Isotope 2 has a mass of 122.0 amu. What is the atomic mass of the element?
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an unknown element has two naturally occurring isotopes isotope 1 has a mass of 1200 amu and an abundance of 40 isotope
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