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Ответ

Ответ дан
natysik24

n =  frac{v}{ vm}

v-обьем,vm-молярный объём

n=11.2/22.4=0.5

 >  >  >  > 0.5 > x \ sio2 = 2co + si \  >  >  >  > 2 >  > 1

x=0.25(Si)

 \ 0.25  >  >  > x\ si + c = sic \  1 >  > >  > 1

x=0,5(SiC)

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