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Reaction 2Br((aq.))^(-)+Cl(2(aq.))rarr2C...

Reaction `2Br_((aq.))^(-)+Cl_(2(aq.))rarr2Cl_((aq.))^(-)+Br_(2(aq.))`, is used for commercial preparation of bromine from its salts. Suppose we have `50 mL` of a `0.060M` solution of `NaBr`. What volume of a `0.050 M` solution of `Cl_(2)` is needed to react completely with the `Br` ?

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`2Br^(-)(aq)+Cl_(2)(aq)rarr2Cl^(-)(aq)+Br_(2)(aq)`
`(M_(1)V_(1)(Br^(-1)))/(n_(1))=(M_(2)V_(2)(Cl_(2)))/(n_(2))`
where, `n_(1) and n_(2)` are corresponding coefficients
`(0.06xx50)/(2)=(0.05xxV_(2))/(1)`
`:. V_(2)=30`ML.
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