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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(aq)⟶MnCl2(aq)+2H2O(l)+Cl2(g)

How much MnO2(s) should be added to excess HCl(aq) to obtain 155mL Cl2(g) at 25 °C and 725 Torr?

Answer & Explanation Solved by verified expert
4.3 Ratings (799 Votes)
first calculate mole of Cl2Use ideal gas equation for calculation of mole ofCl2Ideal gas equationPV nRTwhere P atm pressure 725 torr 0953947 atmV volume    See Answer
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