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Express of CO(2) is passed through 50 mL...

Express of `CO_(2)` is passed through 50 mL of 0.5 M calcium hydroxide solution. After the completion of the reaction, the solution was evaporated to dryness. The solid calcium carbonated was completely neutralized with 0.1 N hydrochloric acid. The volume of hydrochloric acid required is (At mass of carbon = 40)

A

` 200 cm^3`

B

`500 cm^3`

C

`400 cm^3`

D

`300 cm^3`

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