Chemistry, asked by sonamchauhan9851, 10 months ago

Boron ocuursas b10 and b11 in natuer average atimic mass of boron is 10.804 what is the natural abundance of b11 isotopes

Answers

Answered by Ayushyamanthakur
1

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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