`[Cl^(-)]` in a mixture of 200mL of 0.01 M HCl and 100 mL of 0.01 M `BaCl_(2)` is
`[Cl^(-)]` in a mixture of 200mL of 0.01 M HCl and 100 mL of 0.01 M `BaCl_(2)` is
A. 0.01M `NaHCO_(3)^(-)`
B. 0.0122M
C. 0.03M
D. 0.02M
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Correct Answer - B
`BaCl_(2) rarr Ba^(2+)+2Cl^(-)` ltbr. `[Cl^(-)]` in 0.01 M `BaCl_(2)=0.02 M`
`[Cl^(-)]` in the mixture `=(200xx0.01 +100xx0.02)/(300)` ,brgt `=0.0133M`
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