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The volume in litres of CO2 librated at ...

The volume in litres of `CO_2` librated at STP when 10 g of 90% pure limestone is heated completely,is

A

2.016

B

20.16

C

2.24

D

22.24

Text Solution

Verified by Experts

The correct Answer is:
a
10 g 0f 90 % pure limestone `(CaCO_3)`
`10xx90/100=9g of CaC_3` `CaCO_3toCaO+CO_2(22.4 L)`
` therefore`100 gm og `CaCO_3`s 22.4 L` of `CO_2` then of 9g of `CaCO_3`
`=(22.4xx9)/(100)`
`=2.016 L ` of ` CO_2`
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