The atomic masses of two isotopes of an element are $34.98 \ u$ and $36.98 \ u$ and their relative abundances are $75.4 \%$ and $24.6 \%$ respectively. The average atomic mass of the element is: (in $u$)

  • A
    $34.51$
  • B
    $35.47$
  • C
    $36.46$
  • D
    $35.99$

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