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18.4g of a mixture of CaCO(3) and MgCO(3...

18.4g of a mixture of `CaCO_(3)` and `MgCO_(3)` on heating gives 4.0g of magnesium oxide. The volume of `CO_(2)` produced at STP in this process is

A

1.12 L

B

4.48 lit

C

2.24 L

D

3.36 L

Text Solution

Verified by Experts

The correct Answer is:
B
`MgCO_(3)overset(Delta)rarrMgO+CO_(2)`
84g_______40g _______44g
8.4g________4g_______4.4g
2.24L at STP
`CaCO_(3)overset(Delta)rarrCaO+CO_(2)`
100g_______56g_______44g
`10g________5.6g________underset("2.24L at STP")underset(darr)(4.4g)`
volume of `CO_(2)=2.24+2.24=4.48L`
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