Asked by Sam
An unknown element Q has two known isotopes: 61Q and 62Q. If the average atomic mass is 61.4 amu, what are the relative percentages of the isotopes?
Answers
Answered by
DrBob222
Let x = fraction of 61Q
Then 1-x = fraction of 62Q
=============================
x*61 + (1-x)*62 = 61.4
Solve for x and 1-x, then convert to percent.
Then 1-x = fraction of 62Q
=============================
x*61 + (1-x)*62 = 61.4
Solve for x and 1-x, then convert to percent.
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