The Atomic Mass of Tungsten Is 183

question 34

Multiple Choice

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

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