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7 September, 16:38

A gas mixture used for anesthesia contains 2.83 mol oxygen (O2), and 8.41 mol of nitrous oxide (N2O). The total pressure of the mixture is 192 kPa. What is the partial pressure of N2O? Report your answer with three significant figures.

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  1. 7 September, 16:59
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    The partial pressure of N2O is 143.6 kPa

    Explanation:

    Step 1: Data given

    Moles O2 = 2.83 mol

    Moles N2O = 8.41 mol

    Total pressure = 192 kPa

    Step 2: Calculate total number of moles

    Total numberof moles = moles O2 + molesN2O = 2.83 + 8.41 = 11.24 mol

    Step 3: Calculate mole fraction of N2O

    Mole fraction N2O = mole N2O / Total moles

    Mole fraction N2O = 8.41 / 11.24 = 0.748

    Step 4: Calculate partial pressure of N2O

    pN2O = 0.748 * 192 kPa

    pN2O = 143.6 kPa

    The partial pressure of N2O is 143.6 kPa
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