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What weight of CaCO(3) must be decompose...

What weight of `CaCO_(3)` must be decomposed to produce the sufficient quantity of carbon dioxide to convert 21.2 kf of `Na_(2)CO_(3)` completely in `NaHCO_(3)`. [Atomic mass Na=23, Ca=40]
`CaCO_(3) rightarrow CaO + CO_(2)`
`Na_(2)CO_(3) + CO_(2) + H_(2)O rightarrow 2NaHCO_(3)`

A

100Kg

B

20kg

C

120Kg

D

30Kg

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The correct Answer is:
B
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What weight of CaCO_(3) must be decomposed to produce the sufficient quantity of carbon dioxide to convert 21.2 kg of Na_(2)CO_(3) completely in to NaHCO_(3) . [Atomic mass Na = 23, Ca = 40] CaCO_(3) rarr CaO+CO_(2) Na_(2)CO_(3)+CO_(2)+H_(2)O rarr 2NaHCO_(3)

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