An element, X has the following isotopic composition;
200X:90%
199X:8.0%
202X:2.0%
The weighted average atomic mass of the naturally - occurring element X is closest to :
Answers
Answered by
13
The weighted Average atomic mass of element [x]
=0.9(200)+0.08(199)+0.02(202)
=180+15.92+4.04
=199.96amu
≈200 amu
Similar questions