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Submitted by Amina_B on Mon, 03/14/2016 - 17:27
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Koliko grama natrijum propanola moze da se dobije reakcijom 7,5 propanola sa viskom natrijuma?

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milicaradenkovic - Mon, 03/14/2016 - 20:57

2CH3CH2CH2OH+2Na---------------->2CH3CH2CH2ONa+H2

n(CH3CH2CH2OH)=m/Mr=7.5/60=0.125 mol

n(CH3CH2CH2OH)=n(CH3CH2CH2ONa)=0.125 mol

m(CH3CH2CH2ONa)=n(CH3CH2CH2ONa)*Mr=0.125*82=10.25 g

CH3CH2CH2ONa nije natrijum propanol nego natrijum propanoat.