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an element a has 3 isotopes x,y z. if relative abundance of x is 10% and average atomic weight is 11.5.what will be relative abundance of heaviest isotope(z)?
DEAR KEDAR,
i read the question many times but i think some data is missing......
their mass must be given,
assuming masses to be 10 ,11 ,12
Let x be the relative abundance of z
=> 11.5 = (10*10 +( 90-x)*11+x*12)/100
=> x=60%
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