Question #80002

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?

Expert's answer

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

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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