Asked by Gabriella
                The rate of effusion of unknown gas X is found to be about 1.5 times that of SF6 gas (MW=146 g/mol) at the same conditions of temperature and pressure. What is the molecular weight of gas X?
Answer in units of g/mol
            
        Answer in units of g/mol
Answers
                    Answered by
            DrBob222
            
    The easy way to do this is to assign some convenient rate to SF6, then multiply that number by 1.5 to know the rate for X. Then plug into the formula for Graham's Law and calculate the molar mass of X. 
    
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