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; ...................................................................................................................................................................... ................................................................................................................................................................. ................................................................................................................................................................... ..........................................................................................................................................................................