Question

0.24 G sample of compound of Oxygen and Boron was found by analysis to contains 0.096 G of Boron and 0.144 grams of oxygen calculate the percentage composed of the compound by weight

Answer 1

amount of boron/all total × 100
same is for oxygen/all total × 100

Answer 2

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☺ Hello mate__ ❤

◾◾here is your answer.

Mass of boron = 0.096g

Mass of oxygen = 0.144g

Mass of sample = 0.24g

Thus, percentage of boron by weight in the compound =( 0.0960 × 100)/0.24 = 40%

Thus, percentage of oxygen by weight in the compound = (0.144× 100)/ 0.24 = 60 %

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I hope, this will help you.☺

Thank you______❤

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