1. A 0.24 sample of compound of oxygen and boron was found
by analysis to contain 0.096 g of boron and 0.144 g of oxygen.
Calculate the percentage composition of the compound by
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Answer:
use formula for percentage composition
formula =given mass of element/total mass ×100
for eg for percentage composition of boron
using formula=0.096/0.24 x100
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