Solution: The element X has three naturally occuring isotopes; aX, bX...
Question
The element X has three naturally occuring isotopes; aX, bX, and cX, where a, b, and c represent the mass number. The masses (amu),except aX, and the percent abundances of the isotopes are given in the table below. The average atomic mass of X is 17.20 amu. What is the mass of aX in amu?
a. 16.60
b. 16.67
c. 19.01
d. 18.11
e. 9.99
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