²⁴Mg (12p,12e,12n), заряд ядра: +12
металл
высшая валентность: II
+12 ) ) ) 1s² 2s² 2p⁶ 3s²
2 8 2
2Al+6HCL=2AlCL3+3H2
n Al=300/27=11.111 моль
n H2=11.111*1.5=16.666 моль
V H2=22.4*16.666=373.3 л
1)<span>CH2=CH-CH2-CH3+HCl = CH3-CHCl-CH2-CH3</span>
<span>CH2=CH-CH2-CH3+ </span><span>HBr= CH3-CHBr-CH2-CH3</span>
<span>CH2=CH-CH2-CH3+</span><span>H2= </span><span>CH3-CH2-CH2-CH3</span>
<span>CH2=CH-CH2-CH3+</span><span>Br2= </span><span>CH2Br-CHBr-CH2-CH3</span>
<em />2) Cl2+C5H12=HCL+C5H11Cl
Br2+C5H12=HBr+C5H11Br