200cm\(^3\) of 0.50mol/dm\(^3\) solution of calcium hydrogen trioxocarbonate (IV) is heated. The maximum weight of solid precipitated is

a

10g

b

25g

c

20g

d

15g

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Explanation

Correct Option
a

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De sage
1 year ago

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De sage
1 year ago

let work with this your
CaHCO3
2+1+C(-6)=0
3+C-6=0
CLT
C=0+6-3
C=3.


but check this out
Ca(HCO3)2
(2)+(2Γ—1)+(2C)+(-2Γ—3Γ—2)=0
2+2+2C-12=0
CLT
2C=0+12-4
2C=8
therefore
C=8/2
C=4

so the compound is correct

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