Science, asked by zareenamuskan, 2 months ago

An element 'R' has three isotopes: R-
16,R-17 and R-18 in the relative
abundance of 99.76%, 0.04% and
0.20% respectively. Find the average
atomic mass of this element. *

Answers

Answered by anushri1677

0

Answer:

Answer :

16.004 u

Solution :

According to available data :

Average atomic mass of oxygen =16×0.9976+17×0.0004+18×0.002

=15.9616+0.0068+0.036=16.004u

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