I guessed on this and got it right. Can someone please explain how to figure this problem out?
Homework Answers
Atomic mass of Ne = 20.180 amu
Given:
m1 = 20 amu
m2 = 22 amu
m = 20.18 amu
use:
atomic mass = sum of (mass of isotope * abundance) / 100
m = (m1*A1 + m2*A2)/100
20.18 = ( 20.0*A1 + 22.0*(100-A1))/100
20.18 = ( 20.0*A1 + 2200.0- 22.0*A1))/100
A1 = 91.0 %
A2 = 100-A1
= 100 - 91
= 9 %
This is why answer is 90 % and 10 %
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Can someone help me figure out
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Microeconomics online it was a huge mistake I'm falling behind ever
week. Thank you in advance, I appreaciate any homework help you can
give me.
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