Assuming fully decomposed, the volume of

Some Basic Concepts of Chemistry

Assuming fully decomposed, the volume of CO

_{2}

released at STP on heating 9.85 g of BaCO

_{3}

(Atomic mass, Ba = 137) will be

B a C O

_{3}

\to

BaO + CO

_{2}

197 g m

As 197 gm of BaCO

_{3}

will release 22.4 litre of CO

_{2}

at STP

∴

1 gm of BaCO

_{3}

will release
=

\frac{2 2 . 4}{1 9 7}

litre of CO

_{2}

And 9.85 gm of BaCO

_{3}

will release carbon dioxide
=

\frac{2 2 . 4}{1 9 7}

\times

1.12 litre of CO

_{2}

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