dokoncz rownaia reakcij chemicznych a)ca + hcl----->............+.......... b)Na +h 2 SO 4----->.....+....... c)k +h 2 s ------>.....+........ d)AL = h 3 PO 4---->........+..... e) Li + HNO 3---->......+....... f)Fe+ H 2 SO 4----->.....+.....
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a) Ca + 2 HCl ⇒ CaCl₂ + H₂
b) 2 Na + H₂SO₄ ⇒ Na₂SO₄ + H₂
c) 2 K + H₂S ⇒ K₂S + H₂
d) 2 Al + 2 H₃PO₄ ⇒ 2 AlPO₄ + 3 H₂
e) 2 Li + 2 HNO₃ ⇒ 2 LiNO₃ + H₂
f) Fe + H₂SO₄ ⇒ FeSO₄ + H₂