if o2 is bubbled through water at 393k, how many milimoles of o2 gas would be resolved in one litreof water? assume that o2 exerts of pressure 0.95 bar?
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Expert's answer
2018-08-22T05:06:37-0400
Question:
if o2 is bubbled through water at 393k, how many milimoles of o2 gas would be resolved in one litreof water? assume that o2 exerts of pressure 0.95 bar?
T=393K n(O2)-? V=1 l = 0.001 m3 P = 0.95 bar
Solution:
PV = nRT , n=PV/RT R = 8.31 J/mol*K 1 bar = 100 kPa, 0.95 bar = 95 kPa = 95000 Pa Then, n = (95000*0.001)/(8.31*393) = 0.029 mol = 29 millimoles Answer: 29 millimoles of O2
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