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Sodium carbonate of 92% purity is used i...

Sodium carbonate of 92% purity is used in the reation `Na_(2)CO_(3)+CaCl_(2)toCaCO_(3)+2NaCl`. The number of grams of `Na_(2)CO_(3)` required to yield 1 gm of `CaCO_(3)`

A

8.5g

B

10.5g

C

11.52g

D

1.152g

Text Solution

Verified by Experts

The correct Answer is:
D
`underset("1.06g")underset("106g")(Na_(2)CO_(3))+CaCl_(2)rarrunderset("1g")underset("100g")(CaCO_(3))+2NaCl`
`Na_(2)CO_(3)` required = `(1.06xx100)/(92)=1.152g`
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