Some Basic Concepts · Stoichiometry of chlorine preparation

Aqueous HCl reacts with

\ce{MnO2(s)}

to form

\ce{MnCl2(aq)}

\ce{Cl2(g)}

and

\ce{H2O}

(

l

). What is the weight (in g) of

\ce{Cl2}

liberated when 8.7 g of

\ce{MnO2(s)}

is reacted with excess aqueous HCl solution ? (Given Molar mass in g mol

^{-1}

= 55

, Cl

= 35.5

, O

= 16

, H

= 1

)

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