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Zadania w załaczniku.
Zadanie 1.
1)Ca + O₂ -> CaO 2)CaO + H₂O -> Ca(OH)₂ 3)Ca(OH)₂ + H₂SO₃ -> CaSO₃ + 2H₂O 4)S + O₂ -> SO₂ 5)SO₂ + H₂ -> H₂SO₃ 6)H₂SO₃ + CaO -> CaSO₃ + H₂O
A)CaO B)Ca(OH)₂ C)SO₂ D)H₂SO₃
Zadanie 2.
a) Magnez -> 60%Tlen – 40%
b) 3,2g – 40% x – 100% x= 3,2*100/40 x=8g (całość) 8g – 3,2g = 4,8g magnezu
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Zadanie 1.
1)Ca + O₂ -> CaO
2)CaO + H₂O -> Ca(OH)₂
3)Ca(OH)₂ + H₂SO₃ -> CaSO₃ + 2H₂O
4)S + O₂ -> SO₂
5)SO₂ + H₂ -> H₂SO₃
6)H₂SO₃ + CaO -> CaSO₃ + H₂O
A)CaO
B)Ca(OH)₂
C)SO₂
D)H₂SO₃
Zadanie 2.
a)
Magnez -> 60%
Tlen – 40%
b)
3,2g – 40%
x – 100%
x= 3,2*100/40
x=8g (całość)
8g – 3,2g = 4,8g magnezu