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When BaBr(2) , is heated in a stream of ...

When `BaBr_(2)` , is heated in a stream of chlorine, it is completely converted to `BaCl_(2)` ,. From 1.50 g of `BaBr_(2)` just 1.05 g of `BaCl_(2)` , is obtained. Calculate the atomic weight of Ba from this data.

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