Boron ocuursas b10 and b11 in natuer average atimic mass of boron is 10.804 what is the natural abundance of b11 isotopes
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Answer:
b¹1 has more abundance in naturw with 80.4%
Explanation:
% abundance of b-10 be x
% abundance of b-11 be (100-x)
average atomic mass = 10.804
10*x+11(100-x)/100=10.804
10x+1100-11x=1080.4
-x=1080.4-1100
=19.6
% abundance of b-10 be 19.6%
% abundance of b-11 be (100-19.6)=80.4%
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