3 NaOH(s) + H3PO4(aq) → Na3PO3(aq) + 3 H2O(l) ΔH = -173.7 kJ If 4.95 g of sodium hydroxide is mixed

3 NaOH(s) + H3PO4(aq) → Na3PO3(aq) + 3 H2O(l) ΔH = -173.7 kJ

If 4.95 g of sodium hydroxide is mixed with phosphoric acid, how many kJ of heat are produced?


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