The volume of `CO_(2)` evolved at STP on heating 50g `CaCO_(3)`

Assuming full decomposition, the volume of CO_(2) released at STP on heating 9.85 g of BaCO_(3) (At mass Ba = 137) will be

Assuming fully decomposed, the volume of CO_(2) released at STP on heating 9.85 g of BaCO_(3) (Atomic mass of Ba=137) will be

The volume of CO_(2) at STP obtained by heating 1 g of CaCO_(3) will be

What volume of CO_(2) at STP will evolve when 1 g of CaCO_(3) reacts with excess of dill . HCI ?

The gas evolved on heating Na_(2)CO_(3) is