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A sample consisting fo chocolate-brown p...

A sample consisting fo chocolate-brown powder of `PbO_(2)` is allowed to react with excess of KI and iodine liberated is reacted with `N_(2)H_(4)` in another container. The volume of `N_(2)` gas liberated from this second container at STP was measured out to be 1.135 litre. Find the volume (in L) of decimolar NaOH solution required to dissolved `PbO_(2)` completely and convert it to `Na_(2)PbO_(3)`. (Assume all reactions are 100% complete).

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