не знаю что писать но спс за Hit the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are notified that any dissemination distribution or copying of this email and any attachments is intended only for the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you.
(NH4)2SO4+Ca(OH)2=2 NH3+2H2O+CaSO4 задача на избыток и недостаток n=m/M(Mr) M=Mr Mr(NH4)2SO4=132 M=132г/моль n(NH4)2SO4= 33/132=0,25 моль n(Ca(OH)2=37/74=0,5 моль MrCa(OH)2=74 M=74г/моль Составляем пропорцию, для определения недостатка, за х принимаем количество гидроксида кальция 0,25/1=x/1 x=0,25( а у нас 0,5 моль) , следовательно Ca(OH)2 в избытке , решаем по (NH4)SO4 n(NH3) =0,25*2=0,5 моль, по условию уравнения , соотношение 1:2 V= n*Vm V(NH3) = 0,5*22,4=11,2л ответ:11,2л
не знаю что писать но спс за Hit the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are notified that any dissemination distribution or copying of this email and any attachments is intended only for the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you are not the intended recipient you.
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