Problem: An unknown element, X, has three naturally occurring isotopes. The masses of the three isotopes are 54.335, 59.345 and 62.349 The two have a percent abundance of 35.528% and 38.136% respectively. What is the average mass of the element?a. 58.676b. 65.713c. 58.481d. 58.356e. 58.873

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An unknown element, X, has three naturally occurring isotopes. The masses of the three isotopes are 54.335, 59.345 and 62.349 The two have a percent abundance of 35.528% and 38.136% respectively. What is the average mass of the element?

a. 58.676
b. 65.713
c. 58.481
d. 58.356
e. 58.873

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