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how was chem p41 ??!?! expected thresholds ?!?!

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As the mass was given ... as we found the molecular formula in part (a) - There Mass (g) / Mr gives the 0.010 moles ... Now as we have the moles, we use Volume = Moles x 24000 dm-3..... I think so I got like 240dm-3 ... but answer will differ if our part (a) was different...
 
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As the mass was given ... as we found the molecular formula in part (a) - There Mass (g) / Mr gives the 0.010 moles ... Now as we have the moles, we use Volume = Moles x 24000 dm-3..... I think so I got like 240dm-3 ... but answer will differ if our part (a) was different...
its 24dm3 not 24000
 
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Guys, to be really honest my paper "apparently" went amazing, why is it that you guys are saying it was bad :( ? I'm scared.. That maybe I'm hallucinating. :O
 
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