1.

A solution is obtained by mixing 200 ml 1 M CaCl_(2), 300 ml 2 M Na_(2)SO_(4) and 500 ml 1 M BaCl_(2) then which of the following is correct for the resultant solution obtained.

Answer»

`[CL^(-)] = 2.4 M`
`[Ca^(2+)] = 0.2 M`
`[SO_(4)^(2-)] = 0.1 M`
`[BA^(2+)] = 0.5 M`

Solution :`{:(Na_(2)SO_(4),+,BaCl_(2),rarr,2 NaCl,+,BaSO_(4),darr,,),(0.6 mol,,0.5 mol,,,,,,,),(0.1 mol,,-,,1 mol,,,,,):}`
`[Cl^(-)] = (2 xx 0.2 + 2) = 2.4 M`
`[Ca^(2+)] = 0.2 M`
`[SO_(4)^(2-)] = 0.1 M`
`[Ba^(2+)] = 0M`


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