2Al + 3CuSO4 = 3Cu + Al2(SO4)3;
2Al0 + 3Cu2+ + 3SO42– = 3Cu0 + 2Al3+ + 3SO42–;
2Al0 + 3Cu2+ = 2Al3+ + 3Cu0;
2Al + 3CuSO4 = 3Cu + Al2(SO4)3;
2Al0 + 3Cu2+ + 3SO42– = 3Cu0 + 2Al3+ + 3SO42–;
2Al0 + 3Cu2+ = 2Al3+ + 3Cu0;