Please guys tell me the answer of this question...urgent
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nitrogen =( .78/.78+.21+.01 )× 100 = 78
so like oxygen 21%
other gases 1%
3/5 cotton
3×100/5 = 60%
so like 40% polyester
so like oxygen 21%
other gases 1%
3/5 cotton
3×100/5 = 60%
so like 40% polyester
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1. It contains 78% 21% 1%.
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