the-mass-spectrum-for-the-stable-isotopes-of-iron-54fe-56fe-57fe-and-58fe-is-sho

Question

The mass spectrum for the stable isotopes of iron (⁵⁴Fe, ⁵⁶Fe, ⁵⁷Fe, and ⁵⁸Fe) is shown below.

Bar graph showing the relative number of iron isotopes: 54Fe, 56Fe, 57Fe, and 58Fe.

Calculate the average atomic mass of iron using the data above and compare it with the periodic table value.

Accepted Answer

55.91 g/mol

Answer

56.82 g/mol

Answer

54.63 g/mol

Answer

57.12 g/mol

The mass spectrum for the stable isotopes of iron (54Fe, 56Fe, 57Fe, and 58Fe) is shown below. Calculate the average atomic mass of iron using the data above and compare it with the periodic table value.