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Chemistry, 21.02.2021 04:40 ana2896

Q. An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?

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Q. An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The oth...
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