English, asked by adrathore206, 3 months ago

this question is from chapter 3 class 9 atom & molecules​

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Answered by 004tranquil
1

Answer:

For boron= w/w×100=(0.096/0.24)×100=40%

therefore for oxygen 60%

You can verify by doing the same for oxygen

(w/w)×100=(0.144/0.24)×100=60

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