H2S+2NaOH=Na2S+2H2O
m(NaOH)=400g*5%/100%=20g
n(NaOH)=20g/40g/mol=0,5mol
n(H2S)5,6l/22,4l/mol=0,25mol
m(Na2S)=0,25mol*78g/mol=19,5g
H2S+2NaOH=Na2S+2H2O
m(NaOH)=400g*5%/100%=20g
n(NaOH)=20g/40g/mol=0,5mol
n(H2S)5,6l/22,4l/mol=0,25mol
m(Na2S)=0,25mol*78g/mol=19,5g