Question

zapisz równania reakcji :

-K2O------->K3PO4

-KOH------->K3PO4

-K2O------->K3PO4

-Ca--------->CaCl2

-Ca--------->CaO -

CaO------>Ca(OH)2

-Ca(OH)2--------->CaCl2

-Ca---------->Ca(OH)2

-CaO-------->CaCl2 -

Na2O--------->NaOH

-NaOH----->NaCl -

Na2O------>Na2SO4

-Na---------> NaOH -

Na------>NaCl

Answer 1

3K2O+2H3PO4------->2K3PO4+3H2O

3KOH+H3PO4------->K3PO4+3H2O

3K2O+2H3PO4------->2K3PO4+3H2O

Ca+2HCl--------->CaCl2+H2

2Ca+O2--------->2CaO -

CaO+H2O------>Ca(OH)2

-Ca(OH)2+2HCl--------->CaCl2+2H2O

-Ca+2H2O---------->Ca(OH)2+H2

-CaO+2HCl-------->CaCl2 +H2O

Na2O+H2O--------->2NaOH

-NaOH+HCl---->NaCl+H2O

Na2O+H2SO4------>Na2SO4+H2O

2Na+2H2O---------> 2NaOH+H2

2Na+Cl2------>2NaCl

Answer 2

6K2O + P4O10 ---> 4K3PO4

3KOH + H3PO4 ---> K3PO4 + 3H2O

3K2O + 2H3PO4 ---> 2K3PO4 + 3H2O

Ca + Cl2 ---> CaCl2

2Ca + O2 ---> 2CaO

CaO + H2O --->Ca(OH)2

Ca(OH)2 + 2HCl --->CaCl2 + 2H2O

Ca + 2H2O ---> Ca(OH)2 + H2

CaO + 2HCl ---> CaCl2 + H2O

Na2O + H2O ---> 2NaOH

NaOH + HCl ---> NaCl + H2O

Na2O + SO3 --->Na2SO4

2Na + 2H2O ---> 2NaOH + H2

2Na + Cl2 ---> 2NaCl