The atomic mass of tungsten is 183.84 u. Given the following information for the mass and abundance of the other common isotopes, calculate the atomic mass of tungsten-186.
W-180 179.9467 u 0.12%
W-182 181.9482 u 26.50%
W-183 182.9502 u 14.31%
W-184 183.9509 u 30.64%
W-186 28.43%
A) 185.75 u
B) 186.48 u
C) 186.98 u
D) 184.41 u
E) 185.95 u
Correct Answer:
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