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Chlorine has an atomic mass of 35.543 and two naturally occurring isotopes. Isotope A has a relative mass of 34.96885 and an abundance of 75.53%. What is the mass and abundance of the second isotope?

Respuesta :

Answer:

y

Explanation:
Knowing that the two naturally occurring isotopes make up the molar mass of chlorine wholly
Therefore, we can deduce that the natural abundance of another isotope would be 24.47% (1 - 75.53%)

Let x be the mass number of another isotope

Using the equation:
Relative isotopic mass x relative abundance + …… = relative atomic mass, we get:

x(24.47%) + 34.96885(75.53%) = 35.543
x = 37.31519

Therefore, the relative isotopic mass of another isotope is 37.31519 and its abundance is 24.47%

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