Question
Asked Oct 10, 2019
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A 1:1 mixture by moles of nitrous oxide and oxygen is often used as a sedative in dentistry. If the total pressure of this mixture in a cylinder is 2.5 atm, what is the partial pressure of each gas?

 

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Expert Answer

Step 1

Mole fraction of nitrous oxide (N2O) and Oxygen (O2...

No. of moles of A
Mole fraction of A, XA
Total moles of solution
No. of mol of N20 = No. of mol of O2
1 mol
Total moles n0 +no, = 2 mol
1mol
Mole fraction of N,O
0.5
2 mol
1mol
Mole fraction of O2
0.5
11
2 mol
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No. of moles of A Mole fraction of A, XA Total moles of solution No. of mol of N20 = No. of mol of O2 1 mol Total moles n0 +no, = 2 mol 1mol Mole fraction of N,O 0.5 2 mol 1mol Mole fraction of O2 0.5 11 2 mol

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Gas laws

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