Zn + O₂ ---> 2ZnO Zn + 2HCl --->ZnCl₂ + H₂
ZnO + H₂SO₄ ---> ZnSO₄ + H₂O
Zn(OH)₂ + 2HNO₃ ---> Zn(NO₃)₂ + 2H₂O ZnO + 2KOH + H₂O ---> K₂[Zn(OH)₄] + H₂ Zn(OH)₂ + 2KOH ---> K₂[Zn(OH)₄]
mZnSO₄*7H₂O = 65u+32u+4*16u+7(2u+16u) = 287u
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Zn + O₂ ---> 2ZnO
Zn + 2HCl --->ZnCl₂ + H₂
ZnO + H₂SO₄ ---> ZnSO₄ + H₂O
Zn(OH)₂ + 2HNO₃ ---> Zn(NO₃)₂ + 2H₂O
ZnO + 2KOH + H₂O ---> K₂[Zn(OH)₄] + H₂
Zn(OH)₂ + 2KOH ---> K₂[Zn(OH)₄]
mZnSO₄*7H₂O = 65u+32u+4*16u+7(2u+16u) = 287u