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An element exist in nature in two isotop...

An element exist in nature in two isotopic forms: `X^(30)(90%) and X^(32)(10%)`. What is the average atomic mass of element?

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To find the average atomic mass of the element with isotopes \(X^{30}\) and \(X^{32}\), we can follow these steps: ### Step 1: Identify the isotopes and their abundances We have two isotopes of the element: - Isotope 1: \(X^{30}\) with an abundance of 90% - Isotope 2: \(X^{32}\) with an abundance of 10% ### Step 2: Write the formula for average atomic mass ...
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Knowledge Check

  • Oxygen occurs in nature as a mixture of isotopes ""^16O, ""^17O " and " ""^18O having masses of 15.995 u, 16.999 u and 17.999 u and relative abundance of 99.763%, 0.037% and 0.200% respectively. What is the average atomic mass of oxygen?

    A
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    B
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    C
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    D
    18.999 u

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