# Problem: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide.4HCl(aq) + MnO2(s) → MnCl2(aq) + 2H2O(l) + Cl2(g) You add 35.5 g of MnO2 to a solution containing 42.5 g of HCI. (a) What is the limiting reactant?  (b) What is the theoretical yield of Cl 2 in grams? (c) If the yield of the reaction is 71.1%, what is the actual yield (grams) of chlorine?

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Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide.

4HCl(aq) + MnO2(s) → MnCl2(aq) + 2H2O(l) + Cl2(g)

You add 35.5 g of MnO2 to a solution containing 42.5 g of HCI.

(a) What is the limiting reactant?

(b) What is the theoretical yield of Cl in grams?

(c) If the yield of the reaction is 71.1%, what is the actual yield (grams) of chlorine?

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Based on our data, we think this problem is relevant for Professor Matthew's class at NAU.