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mole concept

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nausheen
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PostSubject: mole concept Tue Feb 26, 2008 10:57 am

 1 mole of SO2 =24 dm3 at room temp and pressure
cal culate at  room temp and pressure
weight of  0.5 g-molecules of sulphur dioxide
[S=32,0=16]
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nish
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PostSubject: Re: mole concept Tue Jan 20, 2009 7:59 pm

see
.5 molecules=?/64 {molecular wt of SO2=64}
mass=64*.05
=32g
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