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The K(sp) for the following dissociation...

The `K_(sp)` for the following dissociation is `2.2 xx 10^(-2)`
`PbCl_(2(s)) f ""Pb_((aq))^(2+)+2Cl_((aq))^(-)`
Which of the following choices is correct for a mixture of 350mL 0.225M `Pb(NO_(3))_(2)` and 200 mL 0.6 M NaCl ?

A

`Q gt K_(sp)`

B

`Q=K_(sp)`

C

Not enough data provided

D

`Q lt K_(sp)`

Text Solution

Verified by Experts

The correct Answer is:
D
`[Pb^(+2)][Cl^(-)]^(2)=Q`
`=(350xx0.225)/(550)xx[(220xx0.6)/(550)]^(2)=0.1432xx(0.22)^(2)=0.0069`
`Q lt K_("sp")`
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