A 0.48 g sample of compound of Oxygen and Aluminium was found by analysis to contain a 0.192
gram of Aluminium and 0.288g of Oxygen. Calculate the percentage composition of the compound
by weight.
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Answer:
Mass of the given sample compound = 0.24g
Mass of boron in the given sample compound = 0.096g
Mass of oxygen in the given sample compound = 0.144g
% composition of compound = % of boron and % of oxygen
Therefore % of boron = (mass of boron)/(mass of the sample compound) x 100
= 40%
Therefore % of oxygen = (mass of oxygen) / (mass of the sample compound) x 100
= 60%
Explanation:
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