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2 July, 13:44

You have 357 ml of chlorine trifluoride gas at 699 mmHg and 45 celsius what is the mass of the sample

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  1. 2 July, 14:04
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    To find the weight of the gas you need to find the number of moles of using ideal gas formula. Remember to change the temperature unit to Kelvin and the pressure to kpa or atm

    PV=nRT

    n = PV/RT

    n = 699 mmHg * 0.1333kpa * 0.357 L / 8.314 kpa*L / mol*K * (45 + 273.15) K

    n = 0.012 moles

    weight = n * molecular weight

    weght = 0.012 * 92.448 g/mol = 1.109 grams
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