(Answered) Suppose scientists discover a new element with atomic

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Suppose scientists discover a new element with atomic number 151 that they give the symbol "A" because there is no element with the symbol A. They find two isotopes of A: 334-A (82% abundance, atomic mass: 333.7 u) and 337-A (18% abundance, atomic mass 336.7 u). The best estimate of the atomic mass of the naturally occurring element A is:

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