The atomic mass of tungsten is 183.84 amu. 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 amu 0.12%
W-182 181.9482 amu 26.50%
W-183 182.9502 amu 14.31%
W-184 183.9509 amu 30.64%
W-186 28.43%
A) 185.75 amu
B) 186.48 amu
C) 186.98 amu
D) 184.41 amu
E) 185.95 amu
Correct Answer:
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