m(Al) = 8 g
V(газа) - ?
n(Al) = 8 / 27 = 0.296 mol = 0.3 mol (для удобства)
0.3 mol x mol
2Al + 6HCl = 2AlCl3 + 3H2
2 mol 3 mol
2:0.3 = 3:x
2x = 0.9
x = 0.45
V(H2) = 0.45 * 22.4 = 10.08 l
ответ: 10.08 l .
m(Al) = 8 g
V(газа) - ?
n(Al) = 8 / 27 = 0.296 mol = 0.3 mol (для удобства)
0.3 mol x mol
2Al + 6HCl = 2AlCl3 + 3H2
2 mol 3 mol
2:0.3 = 3:x
2x = 0.9
x = 0.45
V(H2) = 0.45 * 22.4 = 10.08 l
ответ: 10.08 l .