An Imaginary Element Xq Consists of Two Isotopes Having Masses

question 15

Multiple Choice

An imaginary element Xq consists of two isotopes having masses of 100.0 amu and 102.0 amu.A sample of Xq was found to contain 20.0% of the ¹⁰⁰Xq isotope and 80.0% of the ¹⁰²Xq.Calculate the atomic weight of Xq.

• A)100.2 amu
• B)100.4 amu
• C)101.0 amu
• D)101.6 amu
• E)202.0 amu

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