plz answer it's troubling me
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55.845 u is the atomic mass of iron ( fe )
So ,
option 1 is correct
1) 55.85
vedant151202:
how
I need solution
just add the persentage
try to give solutions plz
90% + 5% + 5% ==> 80
55.845 then if we add 90 + 5 + 5 = 80 so , 55.80
Answered by
1
atomic mass of fe = atomic number of 1 st isotope * % + atomic number of 2 nd isotope * % + atomic number of 3 rd isotope * % whole divide by total %
54*5 +56*90 +57*5 whole divide by 100
= 55.95
tnx
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