An element, \( X \) has the following isotopic composition \( { }^{200} \times: 90 \%{ }^{199} \...

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An element, \( X \) has the following isotopic composition \( { }^{200} \times: 90 \%{ }^{199} \times: 8 \%{ }^{202} \times: 2.0 \% \). The weighted average atomic mass of the naturally occurring element \( X \) is closest to
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