C6H12O6+6O2=6Co2+6H2O
n(CO2)=2*6=12 моль
<span>V(CO2)=12*22.4=268.8 л
Ответ: </span>268.8 л
<span>1) FeO + 2H</span><span>Cl</span><span> = Fe</span><span>Cl₂</span><span> + H</span><span>₂O</span>
<span>FeO + 2H⁺ + 2Cl⁻ = Fe²⁺ + 2Cl⁻ + H₂O</span>
<span>FeO + 2H⁺ = Fe²⁺ + H₂O</span>
<span> </span>
<span>2)Fe</span><span>₂</span><span>O</span><span>₃</span> + 6<span>H</span><span>Cl</span>= 2<span>Fe</span><span>Cl</span><span>₃</span> + 3<span>H</span><span>₂</span><span>O</span>
<span>Fe</span><span>₂</span><span>O</span><span>₃ + 6</span><span>H</span><span>⁺ + 6</span><span>Cl</span><span>⁻ = 2</span><span>Fe</span><span>³⁺ + 6</span><span>Cl</span><span>⁻ + 3</span><span>H</span><span>₂</span><span>O</span>
<span>Fe₂O₃ + 6H⁺ = Fe³⁺ + 3H₂O</span>
K2CO3 + Ca(NO3)2 = 2KNO3 + CaCO3
m=54.3
W%=18
Ищем 18 проц от 54.3
54.3*0.18=9.774
М=39+39+40+48=166
Моли=9.774/166=0.06 где то
Пропорция
0.06/1=х/1
Х=0.06
M= 100
100*0.06=6
Химия - это наука, которая изучает вещества, их свойства и взаимопревращения