2NaOH+H2SO4=Na2SO4+2H2O
m(H2SO4)=20*0,0499=0.998 г
n(H2SO4)=0.998/(34+64)=0.01моль
n(NaOH)=0.02моль
m(NaOH)=0.02*40=0.8г
2NaOH+H2SO4=Na2SO4+2H2O
m(H2SO4)=20*0,0499=0.998 г
n(H2SO4)=0.998/(34+64)=0.01моль
n(NaOH)=0.02моль
m(NaOH)=0.02*40=0.8г