0.24g sample of a compound of oxygen and boron was found by anysis to contain 0.144g of oxygen and 0.096g of boron .calculate the percentage composition of the compound by weight (AS1)
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Answer:
60%
Explanation:
Mass of compound =0.24g
mass of boron =0.096g
mass of oxygen=0.144g
Now, percentage of boron= 0.096/0.24 *100
=40%
percentage of oxygen=(100-40)%
=60% [ANS.]
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