[CHM 111] Clarifying equation for molar mass of unknown

[Andrew J. Pounds]

On 12/05/2018 12:50 PM,  wrote:
>
> Hey Dr. Pounds, 
>
>
> Just to clarify, in the equation for determining the molar mass of the
> unknown gas. (M=mRT/PV), the known mass value for the equation is
> supposed to be the mass of the entire system? I've just been getting
> some weird numbers for the molar mass of the unknown gas. Thank you
>
>
> Sincerely, 
>
>
>

Mass should be ONLY for the gas --   (mass of gas, flask, aluminimum
foil, rubber band) - ( mass of empty flask, aluminum foil, rubber band)


-- 
Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu)
Professor of Chemistry and Computer Science
Mercer University,  Macon, GA 31207   (478) 301-5627
http://faculty.mercer.edu/pounds_aj

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