5 orange gas particles
6 blue gas particles
3 green molecules of gas (two particles attached together)

If the partial pressure of the diatomic gas is 0.390 atm, what is the total pressure?

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  1. Dalton's law says pressures are based on mole ratios.

    14 total "moles'
    total pressure= 14/3 * .390= you do it.

    pressure blue: 6/14 * total pressure

    pressure orange: 5/14 *(total pressure)

    and of course, the sum of the three partial pressures should equal total pressure.

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  2. 1.82 atm


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