`20 mL` of a solution containing equal moles of `Na_(@)CO_(3)` and `NaHCO_(3)` required `16 mL` of `0.16 M HCl` solution to reach the phenolphthalein end point. What volume of a `0.10 M H_(2)SO_(4)` solution would have been required had methyl orange been used as indicator?
A
`38.40 mL`
B
`24.60 mL`
C
`19.20 mL`
D
`0.30 mL`
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The correct Answer is:
C
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