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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid,...

Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation MnO2(s)+4HCl(aq)⟶MnCl2(aq)+2H2O(l)+Cl2(g) How much MnO2(s) should be added to excess HCl(aq) to obtain 265 mL Cl2(g) at 25 °C and 725 Torr?

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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid,...
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation: MnO2(s) + 4HCl --> MnCl2 (aq) + 2H2O (l) + Cl2 (g) How much MnO2(s) should be added to excess HCl(aq) to obtain 405 mL of Cl2(g) at 25 �C and 805 Torr?
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