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The average atomic mass of sulfur = 32.33 u
The average atomic mass of sulfur is determined as follows:
Average atomic mass = (31.977 × 0.818) + (32.97 × 0.008) + (33.97 × 0.174)
Average atomic mass = 32.33
In conclusion, the average atomic mass of sulfur is determined from the sum of the isotopic masses and their relative abundance.
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