NaOH+H2S=NaHS+H2O
n(NaHS)=n(NaOH)=m(NaOH)/M(NaOH)=2,5/40=0,0625 моль
m(NaHS)=n(NaHS)*M(NaHS)=0,0625*56=3,5 г
NaOH+H2S=NaHS+H2O
n(NaHS)=n(NaOH)=m(NaOH)/M(NaOH)=2,5/40=0,0625 моль
m(NaHS)=n(NaHS)*M(NaHS)=0,0625*56=3,5 г