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14-06-2017
Chemistry

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Notice that "SO4" appears in two different places in this chemical equation. SO 2−4 is a polyatomic ion called "sulfate." What number should be placed in front of CaSO4 to give the same total number of sulfate ions on each side of the equation? ?CaSO4+AlCl3→CaCl2+Al2(SO4)3

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14-06-2017

3CaCl₂ + Al₂(SO₄)₃ = 3CaSO₄↓ + 2AlCl₃

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