1.

The ionic strength of solution containing 0.5 M MgSO_(4)0.1M AlCl_(3) and 0.2(NH_(4))_(2)SO_(4) is

Answer»

`0.75`
`1.85`
2
`1.50`

Solution :`MgSO_(4)=0.5xx2=1`
`AlCl_(3)=0.1xx4=0.4`
`(NH_(4))_(2)SO_(4)=0.2xx3=(0.6)/(2)`


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