cgastineau8830 cgastineau8830

19-11-2022
Chemistry

contestada

Find the average atomic mass of iron made up of 15% 55Fe and 85% 56Fe

A - 55. 85

B - 39. 5

C - 5585

D - 211

Respuesta :

chaligo22 chaligo22

19-11-2022

Answer:

A- 55.85

Explanation:(15/100 ×55) + (85/100 × 56)

= 8.25+47.6

=55.85

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