Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid HCl aq as described by

Question

Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid HCl aq as described by the chemical equation MnO s 4HCl aq MnCl aq 2 H O 1 Cl g How much MnO s should be added to excess HCl aq to obtain 375 ml Cl g at 25 C and 1 00 x 10 kPa

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