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When 0.228 g of sodium metal is added to an excess of hydrochloric acid, 2370 J of heat are produced. What is the enthalpy of the reaction as written?...

When 0.228  g of sodium metal is added to an excess of hydrochloric acid, 2370  J of heat are produced. What is the enthalpy of the reaction as written? In kJ

2Na(s)+2HCl(aq)⟶2NaCl(aq)+H  2 (g) 

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