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Assuming fully decomposed, the volume of...

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

A

0.84 L

B

2.24 L

C

4.06 L

D

1.12 L

Text Solution

Verified by Experts

The correct Answer is:
D
`BaCO_(3) rarr BaO+CO_(2) uarr`
Molecular weight of `BaCO_(3)=137+12+3xx16=197`
`:'` 197 gm produces 22.4 L at S.T.P.
`:.` 9.85 gm produces `22.4/197xx9.85=1.12 L` at S.T.P.
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