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A 0.24 g sample of compound of oxygen an...

A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of buron and 0.144g of oxygen. Calculate the percentage composition of the compound by weight.

Text Solution

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The compound of oxygen and boron `to` boron + oxygen
`0.24 g to 0.096 g + 0.144 g`
Percentage of burun in the sample = `(0.096)/(0.24) xx 100 = 40`
Percentage of oxygen in the sample = `(0.144)/(0.24) xx 100 = 60`
Boron : 40%, Oxygen : 60%
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