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mole concept

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nausheen
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PostSubject: mole concept Tue Feb 26, 2008 10:59 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]

answer = 32g
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ronak sumbaly569




PostSubject: Re: mole concept Mon Feb 02, 2009 2:15 pm

1 mole of SO2 WEIGHS 32+32=64gms
64gms of So2 =24 lits at STP
Gram molecule= mass in gm/ relative molecular mass

0.5=mass in gm/ 64
mass in gms=64*0.5
mass in gms=32gms---Answer
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