<span>CuSO</span>4<span> + 2NaOH = Cu(OH)</span>2<span> + Na</span>2<span>SO</span>4
<span>2Na</span>3<span>PO</span>4<span> + 3CaCl</span>2<span> = Ca</span>3<span>(PO</span>4<span>)</span>2 <span>↓ + 6NaCl
<span>Al</span>2<span>(SO</span>4<span>)</span>3<span> + 3Ba(NO</span>3<span>)</span>2<span> = 3BaSO</span>4 <span>↓ </span><span>+ 2Al(NO</span>3<span>)</span>3
<span>H</span>2<span>SO</span>4<span>(конц.) + Na</span>2<span>SO</span>4<span> = 2NaHSO</span>4
<span>H</span>2<span>SO</span>4<span>(разб., гор.) + Na</span>2<span>CO</span>3<span> = Na</span>2<span>SO</span>4<span> + CO</span>2<span>↑ + H</span>2<span>O</span>
<span>2NaOH+CuSO4=Cu(OH)2+Na2SO4</span>
<span>Cu(OH)2+H2SO4=CuSO4</span> + 2H2O</span>
Реакция вюртца, синтез Лебедева, реакция Кольбе, реакция Кучеро<span>ва. </span>
Дано
V(NO)=67,2 л
Vm=22,4 л/моль
M(NO)= 30 г/моль
Найти
m(NO)
n(NO)= V(NO) / Vm = 67,2 / 22,4 = 3 моль
m(NO) = n(NO) * M(NO) = 3 * 30 = 90 г
а) пропан C3H8, C6H14, C8H18
б) метил CH3, этил C2H5, пропил C3H7