Odpowiedź :
Mg+H2SO4--->MgSO4+H2
Ca+2HCl--->CaCl2+H2
6K+2H3PO4--->2K3PO4+3H2
1. Mg + H2SO4 ------> MgSO4 + H2
2. Ca + 2 HCl ----> CaCl2+ H2
3. 6 K + 2 H3PO4-----> 2 K3PO4+ 3 H2
Mg+H2SO4--->MgSO4+H2
Ca+2HCl--->CaCl2+H2
6K+2H3PO4--->2K3PO4+3H2
1. Mg + H2SO4 ------> MgSO4 + H2
2. Ca + 2 HCl ----> CaCl2+ H2
3. 6 K + 2 H3PO4-----> 2 K3PO4+ 3 H2