1. Write a balanced equation for the reaction of sodium hydroxide with hydrochloric acid. Calculate the number of moles of each reagent you used in the reaction. Use the balanced equation to determine which reagent was limiting, and how many moles reacted (show all your calculations for full credit). Was the acid or the base the limiting reagent? 2. Calculate the value of the enthalpy change (ΔHrxn) in units of kJ/mol for the reaction of NaOH (aq) + HCl (aq). Is the reaction an endothermic or exothermic process?

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.

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