IGCSE Chemistry

Chapter 4: Chemical Formulae and Equations

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Question

Balance this acid-base neutralisation equation: NaOH + H₂SO₄ → Na₂SO₄ + H₂O

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Answer

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O

Steps:

2 Na on right → 2NaOH
2 H from 2NaOH + 2 H from H₂SO₄ = 4 H on left → 2H₂O

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