N, P and As have similar properties. Check whether the average of atomic masses of N(14) and As(74.9) is equal to the atomic mass of P(31). Could we call it as a Dobereiner triad? Why? Give reason, plz dont spam
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Answer:
We assume that N, P, As follow the Dobereiner's triads. It follows that M(P)=
2
(M(N)+M(As))
M(P)=
2
(14+74.9)
=44.45
Absolute error in mass of phosphorous =44.45−31=13.45
Explanation:
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