2Na+2H+=H2+2Na+
2 1
10/23 X X=5/23mol
2Al+6H+=3H2+2Al3+
6 3
1 Y Y=0.5mol
Fe+2H+=H2+Fe2+
1 1
10/56 Z Z=5/28mol
X:Y:Z=140:322:115
2Na+2H+=H2+2Na+
2 1
10/23 X X=5/23mol
2Al+6H+=3H2+2Al3+
6 3
1 Y Y=0.5mol
Fe+2H+=H2+Fe2+
1 1
10/56 Z Z=5/28mol
X:Y:Z=140:322:115