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6. An unknown element has an atomic weight of 210.00amu. The element has two naturally occurring isotopes with masses of 207.950amu and 211.890amu. What is

6. An unknown element has an atomic weight of 210.00amu. The element has two naturally occurring isotopes with masses of 207.950amu and 211.890amu. What is the percent abundance of the two isotopes

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