1.

A particular saturated solution of silver chromate AgCrO_4 has [Ag^+]=5 times 10^-5 and [CrO_4]^(2-)=4.4 times 10^-4M. What is the value of K_(sp) for Ag_2CrO_4?

Answer»

Solution :`Ag_2CrO_4(s) leftrightarrow 2AG^+(AQ)+CrO_4^(2-) (aq)`
`K_(SP)=[Ag^+]^2 [CrO_4^(2-)]`
`=(5 times 10^-5)^2 (4.4 times 10^-4)`
`=1.1 times 10^-12`


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