СH3-NH2+H2SO4= CH3-NH3HSO4
1 1
n(CH3-NH2)=11,2/22,4=0,5моль;
n(H2SO4)=0,5; m(H2SO4)в растворе =0,5*98=49г;
m(H2SO4)раствора =49/0,196=250г;
......................................................................................................................................................................
.................................................................................................................................................................
...................................................................................................................................................................
..........................................................................................................................................................................