How does Ksp effect solubility?

Answer 1

#K_(sp)# is a MEASURE of solubility.

#K_(sp)#, the #"sp"# stands for #"solubility product"#, is another equilibrium constant, and measures the solubility of an insoluble or sparingly soluble salt. As with any equilibrium, standard conditions are assumed, i.e. #298*K#, and #1*atm# pressure.
The larger the #K_(sp)# constant, the more soluble is the salt. Silver halides are the classic insoluble salts, and #K_(sp)# measures the extent of the following reaction:
#Ag^(+) + X^(-) rarr AgX(s) darr#
#K_(sp)# #=# #[Ag^+][X^-]# (of course #[AgX(s)]# does not appear in this equilibrium expression in that we cannot speak of the concentration of a solid.
#K_(sp), AgX:# #X=Cl, 1.8xx10^-10;# #X=Br, 5.0xx10^(-13);# #X=I, 8.5xx10^(-17)#
From the list, it is clear that #AgI# is the least soluble species.
#K_(sp)# are extensively tabulated, especially for salts of precious metals. How do you think #K_(sp)# values would evolve at higher temperatures? Say. #323*K#?
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Answer 2

The solubility product constant (Ksp) indicates the extent to which a sparingly soluble compound dissociates in a solution. Higher Ksp values correspond to higher solubilities, indicating that more of the compound dissociates into its ions in solution. Conversely, lower Ksp values correspond to lower solubilities, meaning less of the compound dissociates into its ions.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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