Chemistry, asked by prashant8858, 11 months ago

7. The natural isotopic abundance of 10B
is 19.60% and "B is 80.40 %. The exact
isotopic masses are 10.13 and 11.009
respectively. Calculate the average
atomic mass of boron​

Answers

Answered by Ayushyamanthakur
5

Explanation:

% abundance of b-10 be 19.6%

% abundance of b-11 be 80.4%

average atomic mass =19.6*10+80.4*11/100

=1080.4/100

=10.804

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