Chemistry, asked by qwaszx, 1 year ago

an element x has the following isotopic composition 56x:90%57x:859x:2.0% the weighted average atomic mass of the naturallyoccurring element x is closest to

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Answered by priya201709otqosa

9

av atomic wt = $\frac{56*90+57*8+59*2}{100} =56.14$

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