The Atomic Mass of Tungsten Is 183

question 63

Multiple Choice

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

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