Chemistry, 29.11.2019 06:31 krocker58

Indium (in) is made up of 95.7% 115in and 4.3% 113in. the atomic mass of 113in is 112.904 amu . the atomic mass of 115in is 114.904 amu . what is the average atomic mass of a sample of indium?
a. 113.909 amu
b. 114.5 amu
c. 114.818 amu
d. +666+115.00 amu

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Indium (in) is made up of 95.7% 115in and 4.3% 113in. the atomic mass of 113in is 112.904 amu . the...