Fe2O3 + _H2SO4 → _Fe2(SO4)3 + __H2O what are the coefficients

Fe₂O₃ + 3H₂SO₄ → Fe₂(SO₄)₃ + 3H₂O

Explanation:

Step 1: Write out unbalanced reaction

Fe₂O₃ + H₂SO₄ → Fe₂(SO₄)₃ + H₂O

Step 2: Balance

We need the same number of SO₄²⁻ on each side

Fe₂O₃ + 3H₂SO₄ → Fe₂(SO₄)₃ + H₂O

Now we need the same amount of H⁺ on each side

Fe₂O₃ + 3H₂SO₄ → Fe₂(SO₄)₃ + 3H₂O

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