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DIA [1.3K]
3 years ago
15

Silver has an atomic mass of 107.868 amu. The Ag-109 isotope (108.905 amu) is 48.16%. What is the amu of the other isotope?

Chemistry
1 answer:
Paladinen [302]3 years ago
7 0

Answer:

The atomic mass of the other isotope = 106.905 amu

Explanation:

Step 1: Data given

Atomic mass of silver = 107.868 amu

Ag109 isotope has an atomic mass of 108.905 amu  = 48.16 %

Step 2: Calculate the abundance of the other isotope

100.0 % - 48.6 % = 51.84 %

107.868 = 0.4816*108.905 + 0.5184*X

55.419352 = 0.5184X

X = 106.905

The atomic mass of the other isotope = 106.905 amu

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