Copying is not allowed. You must show all work in order to receive credit. Naturally occurring silver has two isotopes. Isotope A has a relative mass of 106.9051 and an abundance of 51.82%. Isotope B has a relative mass of 108.9047. Calculate the atomic mass of silver from these data.

The atomic mass of silver is 107.8

Explanation:

Average atomic mass is the average mass of all the isotopes present depending on the relative abundance of each isotope.

Mass of isotope A = 106.9051

% abundance of isotope 1 = 51.82% =

Mass of isotope B = 108.9047

% abundance of isotope 2 = (100-51.82)% =

Formula used for average atomic mass of an element :

Therefore, the average atomic mass of silver is 107.8

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