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UI: 20cm3 of hydrogen were mixed with 100cm3 of air, containing 21% by volume of...

UI: 20cm3 of hydrogen were mixed with 100cm3 of air, containing 21% by volume of oxygen and exploded. What was the composition and volume of residual has if all the measurement were taken at s.t.p? A.11cm3 B.21cm3 C.90cm3 D.79cm3?
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Asked by Bukason. on 24th April, 2015
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