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How much CaCO(3) will give 2.2 g CO(2)?...

How much `CaCO_(3)` will give `2.2 g CO_(2)`?

A

10 g

B

50 g

C

5 g

D

15 g

Text Solution

Verified by Experts

The correct Answer is:
B
`underset( 40 + 12 + 48 = 100) ( Ca CO _(3)) overset("Heat")to Ca O + underset( 12 + 32 = 44)( CO _(2))`
` therefore 44 g CO _(2)` is obtained from
`= (100 xx 2.2)/(44) = 5 g`
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