Homework Help: Chemisrty

Posted by Courtney on Monday, April 12, 2010 at 6:47pm.

Chlorine gas can be produced in the laboratory by adding concentrated hydrochloric acid to manganese(IV) oxide in the following reaction..

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

A. Calculate the mass of MnO2 needed to produce 25.0g of Cl2

B. What mass of MnCl2 is produced when 0.091 g of Cl2 is generated?

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