There are three elements A,B,C the atomic masses of AandC are 35.5and 127 what will be the atomic mass of B on the basis of dobereiner's traids
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At. mass of B = (at mass of A + at mass of B)/2
=> (35.5+127)/2
=>162.5/2
=>81.25
=> (35.5+127)/2
=>162.5/2
=>81.25
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