The values of `K_(sp)` for two sparingly soluble salts `Ni(OH)_2` and AgCn are `2xx10^-5` and `6xx10^-17` respectively. Calcualte their solubilities and identify the salt which is more soluble.

The solubility product of two sparingly soluble salts XY_2 and AB are 4xx10^-15 and 1.2xx10^-16 respectively. Which Sali is more soluble? Explain.

The values of dissociation constants, of (Cu(NH_3)_4]^2+ and [Co(NH3)6]^3+ are 1 xx 10^-12 and 6.2 xx 10^-36 respềctively. Which complex would be more stable and why?

The solubility of AgCl in water at '25^circ C' is found to be '1.06 xx 10^(-5)' moles per litre. Calculate the solubility product of AgCl at this temperature.

The solubility of Mg(OH)_2 at 298K is 1.5xx10^-4 . Calculate the solubility product.

The solubility product of silver chromate (Ag_2CrO_4) at 298K is 4.0xx10^(-12) . Calculate its solubility at 298K.

The values of K_(sp) of CaCO_(3) and CaC_(2)O_(4) are 4.7 times 10^(-9) and 1.3 times 10^(-9)M^(2) respectively at 298 K. If a solid mixture of these two salts is extracted with water, what is the concentration of Ca^(2+) ions in the aq. extract?