能做几题就做几题,

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能做几题就做几题,
能做几题就做几题,
 

能做几题就做几题,
1) V(NH3)=n*Vm =1.5mol * 22.4L/mol ==33.6L
2)n(H2) = V/Vm = 67.2L/22.4L/mol =3 mol
3) n(SO2)=m/M = 96/64 =1.5mol
V(SO2)=n*Vm =1.5*22.4 =33.6L
4)n(NO2)=V/Vm =22.4/22.4 =1mol
N=n*NA =1* 6.02*10(23次方) =6.02*10(23次方)