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Calculate the H rxn for the following reaction: H3AsO4(aq) + 4H2(g) begin mathsize 28px style rightwards arrow end style AsH3(g) + 4H2O(l) Hf(kJ/mol): AsH3(g) =

Calculate the H rxn for the following reaction:
H3AsO4(aq) + 4H2(g) begin mathsize 28px style rightwards arrow end style AsH3(g) + 4H2O(l)
Hf(kJ/mol): AsH3(g) = 66.4, H3AsO4(aq) = -1762.0, H2O(l) = -285.8 kJ

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