Объяснение:
NaOH +NH4Cl=NaCl+H2O +NH3
n(NaOH) =2/40=0.05
n(Nh4cl) =4/53.5=9.07
n(NaOH) =n(Nacl) =0.05
m(Nacl) =0.05*58.5=2.9г
Объяснение:
NaOH +NH4Cl=NaCl+H2O +NH3
n(NaOH) =2/40=0.05
n(Nh4cl) =4/53.5=9.07
n(NaOH) =n(Nacl) =0.05
m(Nacl) =0.05*58.5=2.9г