A 0.24 g sample of compound of oxygen and boron was found by analysis to contain g of boron and 0.144g of oxygen calculate the percentage compotion of the composition of the compound weight
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We know that, % of any element in a compound
=mass of element
--------------------------×100
mass of compound

% of boron = 0.096/0.24 X 100 = 40%
% of oxygen = 0.144/0.24 X 100 = 60%
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