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A hypothetical element has two main isotopes with mass numbers of 55 and 58. If 62.00% of the isotopes have a mass number of 55 amu, what atomic weight should be listed on the periodic table for this element?
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A hypothetical element has two main isotopes with mass numbers of 55 and 58. If 62.00% of the isotopes have a mass number of 55 amu, what atomic weight should be listed on the periodic table for this element? Answer in units of amu.

User Alex Neth
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Answer:

57.81

Step-by-step explanation:

User Whisht
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