For the thermochemical equation Fe2O3(s) + 3SO3(g) → Fe2(SO4)3 (s) ΔH = −570.2 kJ what mass...

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Question

For the thermochemical equation Fe2O3(s) + 3SO3(g) → Fe2(SO4)3 (s) ΔH = −570.2 kJ what mass of SO3 is needed to generate 1,566 kJ?

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