A) C+2H2SO4=2SO2+CO2+2H2O
C(0)-4e=C(+4)
S(+6)+2e=S(+4)
б) 3C+4HNO3=4NO+3CO2+2H2O
C(<span>0)-4e=C(+4)
N(+5)+3e=N(+2)</span>
m1(HNO3)= v x p= 10 x 1.056= 10.56г
m1(HNO3)= m x w=10.56 x 0.1=1.056 г
m2(HNO3)= 100 x 1.184=118.4 г
m2(HNO3)= 118.4 x 0.3=35.52 г
m1 +m2= 1.056 + 35.52=36.576г
m(p)= 118.4 + 10.56=128.96
w(HNO3)= 36.576/128.96=0.283 или 28.3%