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Pachacha [2.7K]
3 years ago
5

A hypothetical pure element consists entirely of two isotopes. the natural percent abundance of the isotope with mass 25.2 u is

80.1%. the other isotope has mass 29.4 u. calculate the atomic weight of the naturally occurring element
Chemistry
1 answer:
Bad White [126]3 years ago
7 0

The atomic weight of the naturally occurring element would simply be the weighted average of the two isotopes. Calculating:

atomic weight = (25.2 g / mol) * 0.801 + (29.4 g / mol) * (1 – 0.801)

<span>atomic weight = 26.04 g / mol</span>

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