1.

Certain moles of CO_(2) is dissolved in excess of NaOH. The resulting solution is divided into two equal parts. One part needs 30 ml of 2.5 N HCl and other part needs 40 ml of 2.5 N HCl using phenolphthalein and methyl orange indicator respectively. The mass of CO_(2) dissolved is

Answer»

`2.5 XX 10^(-2)`
`5 xx 10^(-2)`
`10xx10^(-2)`
`1.5 xx 10^(-2)`

SOLUTION :N/A


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