Chemistry help solving

Chemistry
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how many moles of S8 are needed to produce 10.5L of P4S3 at STP??

May 25th, 2015

 3S8 + 8P4  - -----8 P4S3 

3 moles of S8 produce 8 moles of P4S3 

  or 8 moles of P4S3 required 3 moles of S8 

   1 moles    ,,,,,,,                                          = 3/8 =0.375 moles 

22.4 L  = one mole  

10.5 L = 10.5/22.4 = 0.4685 mole

        total moles   of S8  =  0.375 * 0.4685 = 0.175 mole

volume of S8  = 22.4 *0.175  = 3.92 L


Regarding any doubt plz let me know 


                                     



May 25th, 2015

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