An imaginary element Xz consists of two isotopes having masses of 100.0 amu and 102.0 amu.A sample of Xz was found to contain 75.0% of the 100Xz isotope and 25.0% of the 102Xz.Calculate the atomic weight of Xz.
A) 100.3 amu
B) 100.5 amu
C) 101.0 amu
D) 101.5 amu
E) 101.8 amu
Correct Answer:
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