Answer:32.063 u
Explanation:
The average atomic mass of a chemical element is calculated by taking into account the atomic masses of its naturally occurring isotopes and their respective abundances.
Atomic mass of Sulfur is 32.07.
The four common isotopes of sulfur have masses of 31.972 amu (95.00 % abundance), 32.971 amu (0.76 %), 33.967 amu (4.22 %), and 35.967 amu (0.014 %).
The atomic mass of sulfur will be calculated using atomic mass of there isotopes and their respective decimal abundance.
Atomic mass of sulfur = ∑ isotope * abundance
= {(95/100) *31.972} + {(0.76/100) *32.971} + {(4.22/100) *33.967} + {(0.014/100) *35.967}
= (0.95*31.972) + (0.0076*33.971) + (0.0422*33.967) + (0.00014*35.967)
= 30.3734 + 0.2582 + 1.4334 + 0.00504
= 32.07 amu
Thus, we can conclude that, relative atomic mass of sulfur is 32.07
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