Chlorine can be prepared in the laboratory by the reaction of
manganese dioxide with hydrochloric acid,...
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Chemistry
Chlorine can be prepared in the laboratory by the reaction ofmanganese dioxide with hydrochloric acid, HCl(aq), as described bythe chemical equation: MnO2(s) + 4HCl --> MnCl2 (aq) + 2H2O (l)+ Cl2 (g) How much MnO2(s) should be added to excess HCl(aq) toobtain 405 mL of Cl2(g) at 25 �C and 805 Torr?
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Calculation of number of moles of Cl2 obtained We know that ideal gas equation is PV nRT Where T Temperature 25 oC 25273 298 K P
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