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Cel mai inteligent răspuns!
2014-09-01T17:19:10+03:00
PV=nr moli * R * T
nr moli = 896/22,4 = 40 moli
p = 40 * 0,082 * 293 / 8 = 120,13 atm
masa = nr moli * masa molara O2 = 32 * 40 = 1280 g O2 = 1,28 kg O2
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