даноm(NH4)2SO4 = 250 kg=250000 g-------------------------------------------m(NH3)-? V(NH3)-? n(NH3)-? Xg 2500002NH3+H2SO4-->(NH4)2SO4 2*17 132M(NH3)=17 g/mol , M(NH4)2SO4=132 g/molX/34 = 250000/132X=64394 g = 64kg394 gV(NH3)=m(NH3)*Vm / M(NH3)=64394*22.4/17=84848.6 Ln(NH3)=m/M=64394/17=3787.9 molответ 64,394 кг , 84848.6 л , 3787.9 моль