16 т - 100%
хт - 60%
х = 9.6 т
4Fes2+11o2=2Fe2o3 + 8so2
2so2+o2==2so3
so3+h2o=h2so4
M fes2 = 120 г/моль
n fes2 = 0.08 моль
n fes2 : n so2 = 1:2 ==> n so2 = 0.16 моль
n so2 : n so3 = 1:1 ==> n so3 = 0.16 моль
n so3 : n h2so4 = 1:1 == n h2so4 = 0.16 моль
M h2so4 = 98г/моль
m h2so4 = 0.16 * 98 = 15.68 г
Все))))
2)фруктоза
.......................
<span>2 H2S + 3 O2 = 2 H2O + 2 SO<span>2
</span></span><span>2 SO2 + O2 = 2 SO<span>3
</span></span><span>SO3 + H2O = H2SO<span>4
</span></span><span>2PH3 + 4O2 = P2O5 + 3H2O
</span><span>P2O5 + 3 H2O = 2 H3PO<span>4</span></span>