Найдите массу 19,6% этого раствора серной кислоты,способного прореагировать с 11,2 л. метиламина

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;

......................................................................................................................................................................

.................................................................................................................................................................

...................................................................................................................................................................

..........................................................................................................................................................................