1.

Concentration of the Ag^(+) ions in a saturated solution of Ag_(2)C_(2)O_(4) is 2.2xx10^(-4) "mol" L^(-1).Solubilityproduct of Ag_(2)C_(2)O_(4) is

Answer»

`2.42xx10^(-8)`
`2.66xx10^(-12)`
`4.5xx10^(-11)`
`5.3xx10^(-12)`

Solution :`Ag_(2)C_(2)O_(4)(s) HARR 2Ag^(+)(aq)+C_(2)O_(4)^(2-)(aq)`,
`K_(sp)=[Ag^(+)]^(2)[C_(2)O_(4)^(2-)]`
GIVEN `[Ag^(+)]=2.2xx10^(-4) "mol"L^(-1)`
`:. [C_(2)O_(4)^(2-)]=(2.2xx10^(-4))/(2)=1.1xx10^(-4)M`
`:. K_(sp)=(2.2xx10^(-4))^(2) (1.1xx10^(-4))`
`=5.324xx10^(-12)`


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