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Riko2
@Riko2
August 2022
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Ребят, помогите с химией) пожалуйста!
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mrvladimir2
Verified answer
1.
2K + H₂SO₄ = K₂SO₄ + H₂↑
Zn(OH)₂ + H₂SO₄ = ZnSO₄ + 2H₂O
Ba(NO₃)₂ + H₂SO₄ = BaSO₄↓ + 2HNO₃
2.
3Na⁰ + 4H₂S⁺⁶O₄ = S⁰ + 3Na₂SO₄ + 4H₂O
Na⁰ - e⁻ → Na⁺
S⁺⁶ + 6e⁻ → S⁰
2 votes
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mrvladimir2
перед натрием поставьте коэффициент 6
mrvladimir2
вместо 3
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Answers & Comments
Verified answer
1.2K + H₂SO₄ = K₂SO₄ + H₂↑
Zn(OH)₂ + H₂SO₄ = ZnSO₄ + 2H₂O
Ba(NO₃)₂ + H₂SO₄ = BaSO₄↓ + 2HNO₃
2.
3Na⁰ + 4H₂S⁺⁶O₄ = S⁰ + 3Na₂SO₄ + 4H₂O
Na⁰ - e⁻ → Na⁺
S⁺⁶ + 6e⁻ → S⁰